USACE / NAVFAC / AFCESA / NASA UFGS-07 41 63 (January 2008)
--------------------------------
Preparing Activity: NASA Superseding
UFGS-07 40 00.00 40 (July 2007)
UFGS-07 61 13.00 10 (April 2004)
UNIFIED FACILITIES GUIDE SPECIFICATION
References are in agreement with UMRL dated January 2009
SECTION 07 41 63
FABRICATED ROOF PANEL ASSEMBLIES
01/08
NOTE: This guide specification covers the requirements for both factory color
and mill finish aluminum or steel fabricated roof panel assemblies.
Edit this guide specification for project specific requirements by adding, deleting,
or revising text. For bracketed items, choose applicable items(s) or insert
appropriate information.
Remove information and requirements not required in respective project, whether
or not brackets are present.
Comments and suggestions on this guide specification are welcome and should
be directed to the technical proponent of the specification. A listing of technical
proponents, including their organization designation and telephone number, is
on the Internet.
Recommended changes to a UFGS should be submitted as a Criteria Change Request
(CCR).
This guide specification includes tailoring options for NAVFAC, and USACE,.
Selection or deselection of a tailoring option will include or exclude that
option in the section, but editing the resulting section to fit the project
is still required.
NOTE: This section includes structural standing seam panels, insulated sandwich
panels and special fabricated roof panel systems.
Coordinate this section with other system components specifications such as
framing, decking, insulation and sheet metal flashing. Also coordinate with
the criteria of Unified Facilities Criteria (UFC) 3-110-06, "Design: Roofing"
as it relates to the specific project and Service Exceptions indicated therein.
For Army projects also refer to TI 809-29, "Structural Considerations for
Metal Roofing".
PART 1 GENERAL
1.1 REFERENCES
NOTE: This paragraph is used to list the publications cited in the text of
the guide specification. The publications are referred to in the text by basic
designation only and listed in this paragraph by organization, designation,
date, and title.
Use the Reference Wizard's Check Reference feature when you add a RID outside
of the Section's Reference Article to automatically place the reference in the
Reference Article. Also use the Reference Wizard's Check Reference feature
to update the issue dates.
References not used in the text will automatically be deleted from this section
of the project specification when you choose to reconcile references in the
publish print process.
The publications listed below form a part of this specification to the extent referenced. The publications are
referred to within the text by the basic designation only.
[ALUMINUM ASSOCIATION (AA)AA ADM1(2005; Errata 2005) Aluminum Design Manual][AMERICAN INSTITUTE OF STEEL CONSTRUCTION (AISC)AISC 341(2005; Supp 2005) Seismic Provisions for Structural Steel Buildings][AMERICAN IRON AND STEEL INSTITUTE (AISI)AISI SG03-3(2002) Cold-Formed Steel Design Manual Set][AMERICAN SOCIETY OF CIVIL ENGINEERS (ASCE)ASCE/SEI 7-05(2006) Minimum Design Loads for Buildings and Other Structures, Including Supplement No. 1][AMERICAN WELDING SOCIETY (AWS)AWS A5.1/A5.1M(2004; Errata 2004) Carbon Steel Electrodes for Shielded Metal Arc WeldingAWS D1.1/D1.1M(2008) Structural Welding Code - Steel][ASTM INTERNATIONAL (ASTM)ASTM A 1008/A 1008M(2008a) Standard Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy and High-Strength Low-Alloy with Improved Formability, Solution Hardened, and Bake HardenedASTM A 123/A 123M(2008) Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel ProductsASTM A 36/A 36M(2008) Standard Specification for Carbon Structural SteelASTM A 424(2006) Standard Specification for Steel Sheet for Porcelain EnamelingASTM A 463/A 463M(2006) Standard Specification for Steel Sheet, Aluminum-CoatedASTM A 606(2004) Standard Specification for Steel Sheet and Strip, High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled, with Improved Atmospheric Corrosion ResistanceASTM A 653/A 653M(2008) Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip ProcessASTM A 780(2001; R 2006) Standard Practice for Repair of Damaged and Uncoated Areas of Hot-Dip Galvanized CoatingsASTM A 792/A 792M(2008) Standard Specification for Steel Sheet, 55% Aluminum-Zinc Alloy-Coated by the Hot-Dip ProcessASTM A 924/A 924M(2008a) Standard Specification for General Requirements for Steel Sheet, Metallic-Coated by the Hot-Dip ProcessASTM B 117(2007a) Standing Practice for Operating Salt Spray (Fog) ApparatusASTM B 209(2007) Standard Specification for Aluminum and Aluminum-Alloy Sheet and PlateASTM B 209M(2007) Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate (Metric)ASTM B 659(1990e1; R 2008) Standard Guide for Measuring Thickness of Metallic and Inorganic CoatingsASTM C 273/C 273M(2007a) Shear Properties of Sandwich Core MaterialsASTM C 286(1999; 2004) Standard Terminology Relating to Porcelain Enamel and Ceramic-Metal SystemsASTM C 553(2008) Standard Specification for Mineral Fiber Blanket Thermal Insulation for Commercial and Industrial ApplicationsASTM C 612(2004e1) Mineral Fiber Block and Board Thermal InsulationASTM C 920(2008) Standard Specification for Elastomeric Joint SealantsASTM D 1056(2007) Standard Specification for Flexible Cellular Materials - Sponge or Expanded RubberASTM D 1308(2002; R 2007) Effect of Household Chemicals on Clear and Pigmented Organic FinishesASTM D 1621(2004a) Compressive Properties of Rigid Cellular PlasticsASTM D 1622(2008) Apparent Density of Rigid Cellular PlasticsASTM D 1667(2005) Flexible Cellular Materials - Poly (Vinyl Chloride) Foam (Closed-Cell)ASTM D 2244(2007) Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color CoordinatesASTM D 2247(2002) Testing Water Resistance of Coatings in 100% Relative HumidityASTM D 2794(1993; R 2004) Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact)ASTM D 2856(1994; R 1998) Open-Cell Content of Rigid Cellular Plastics by the Air PycnometerASTM D 333(2001; R 2007) Standard Guide for Clear and Pigmented LacquersASTM D 3363(2005) Film Hardness by Pencil TestASTM D 4214(2007) Standard Test Method for Evaluating the Degree of Chalking of Exterior Paint FilmsASTM D 522(1993a; R 2008) Mandrel Bend Test of Attached Organic CoatingsASTM D 523(2008) Standard Test Method for Specular GlossASTM D 714(2002e1) Evaluating Degree of Blistering of PaintsASTM D 822(2001; R 2006) Filtered Open-Flame Carbon-Arc Exposures of Paint and Related CoatingsASTM D 968(2005e1) Abrasion Resistance of Organic Coatings by Falling AbrasiveASTM E 119(2008a) Standard Test Methods for Fire Tests of Building Construction and MaterialsASTM E 136(2004) Behavior of Materials in a Vertical Tube Furnace at 750 Degrees CASTM E 1592(2005) Structural Performance of Sheet Metal Roof and Siding Systems by Uniform Static Air Pressure DifferenceASTM E 2140(2001) Standard Test Method for Water Penetration of Metal Roof Panel Systems by Static Water Pressure HeadASTM E 84(2008a) Standard Test Method for Surface Burning Characteristics of Building MaterialsASTM G 23(1996) Operating Light-Exposure Apparatus (Carbon-Arc Type) With and Without Water for Exposure of Nonmetallic Materials][FM GLOBAL (FM)FM 4471(1995) Class I Panel Roofs][METAL BUILDING MANUFACTURERS ASSOCIATION (MBMA)MBMA RSDM(2000) Metal Roofing Systems Design Manual][NATIONAL ASSOCIATION OF ARCHITECTURAL METAL MANUFACTURERS (NAAMM)NAAMM AMP 500(2006) Metal Finishes Manual][NATIONAL ROOFING CONTRACTORS ASSOCIATION (NRCA)NRCA 0405(2001; R 2003, 5th Ed) Roofing and Waterproofing ManualNRCA ASMMRM(2006) Architectural Sheet Metal and Metal Roofing Manual][PORCELAIN ENAMEL INSTITUTE (PEI)PEI 1001(1996) Specification for Architectural Porcelain Enamel (ALS-100)][SHEET METAL AND AIR CONDITIONING CONTRACTORS' NATIONAL ASSOCIATION (SMACNA)SMACNA 1793(2006) Architectural Sheet Metal Manual, Sixth Edition, Second Printing][THE SOCIETY FOR PROTECTIVE COATINGS (SSPC)SSPC Paint 12(1982; E 2000) Paint Specification No. 12 Cold-Applied Asphalt Mastic (Extra Thick Film)][U.S. GENERAL SERVICES ADMINISTRATION (GSA)FS SS-L-30(Rev D; Int Am 3) Lath and Board Products, Gypsum][U.S. NAVAL FACILITIES ENGINEERING COMMAND (NAVFAC)NAVFAC A-A-50570(1997) Paint, Water-Borne, Acrylic Or Modified Acrylic, Semigloss, For Metal Surfaces][UNDERWRITERS LABORATORIES (UL)UL 580(2006) Tests for Uplift Resistance of Roof AssembliesUL Bld Mat Dir(2008) Building Materials Directory]1.2 PERFORMANCE REQUIREMENTS
a. Hydrostatic-Head Resistance: No water penetration when tested according to ASTM E 2140.
b. Wind-Uplift Resistance: Provide roof panel assemblies that comply with the requirements
of the roof systems and attachments in accordance with ASTM E 1592 and UL 580. Uplifting force
due to wind action governs the design for panels.
Roof systems and attachments are to resist the wind loads as determined by ASCE/SEI 7-05 in
pounds per square foot.
c. FMG Listing: Provide FRP roof panels and component materials that comply with requirements
in FM 4471 as part of a panel roofing system and that are listed in FMG "Approval Guide" for
Class 1 or noncombustible construction, as applicable. Identify materials with FMG markings.
d. Structural Performance: Provide roof panel assemblies capable of withstanding the effects
of gravity loads and stresses within limits and under conditions indicated, based on testing
according to ASTM E 1592.
NOTE: Include bracketed reference for seismic conditions.
[e. Seismic Performance: Provide fabricated roof panel assemblies conforming to and AISC 341
with test data.
]
1.3 DEFINITIONS
Fabricated Roof Panel Assembly: Metal roof and liner panels, attachment system components, miscellaneous metal
framing, thermal insulation, and accessories shop fabricated or field assembled for a complete weather-tight
roofing system.
1.4 SUBMITTALS
NOTE: Review Submittal Description (SD) definitions in Section 01 33 00 SUBMITTAL
PROCEDURES and edit the following list to reflect only the submittals required
for the project. Submittals should be kept to the minimum required for adequate
quality control.
A “G” following a submittal item indicates that the submittal requires Government
approval. Some submittals are already marked with a “G”. Only delete an existing
“G” if the submittal item is not complex and can be reviewed through the Contractor’s
Quality Control system. Only add a “G” if the submittal is sufficiently important
or complex in context of the project.
For submittals requiring Government approval on Army projects, a code of up
to three characters within the submittal tags may be used following the "G"
designation to indicate the approving authority. Codes for Army projects using
the Resident Management System (RMS) are: "AE" for Architect-Engineer; "DO"
for District Office (Engineering Division or other organization in the District
Office); "AO" for Area Office; "RO" for Resident Office; and "PO" for Project
Office. Codes following the "G" typically are not used for Navy, Air Force,
and NASA projects.
Choose the first bracketed item for Navy, Air Force and NASA projects, or choose
the second bracketed item for Army projects.
Government approval is required for submittals with a "G" designation; submittals not having a "G" designation
are [for Contractor Quality Control approval.][for information only. When used, a designation following the
"G" designation identifies the office that will review the submittal for the Government.] Submit the following
in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:
SD-01 Preconstruction Submittals
Qualification of Manufacturer[; G][; G, [_____]]
Qualification of Installer[; G][; G, [_____]]
Qualifications for Welding
SD-02 Shop Drawings
Roofing Panels[; G][; G, [_____]]
Flashing and Accessories[; G][; G, [_____]]
Gutter/Downspout Assembly[; G][; G, [_____]]
SD-03 Product Data
Sustainable acquisition[; G][; G, [_____]].
Submit Manufacturer's catalog data for the following items:
Coil Stock[; G][; G, [_____]]
Factory Color Finish[; G][; G, [_____]]
Sub-girts and Formed Shapes[; G][; G, [_____]]
Closure Materials[; G][; G, [_____]]
Insulation[; G][; G, [_____]]
Pressure Sensitive Tape[; G][; G, [_____]]
Sealants and Caulking[; G][; G, [_____]]
Rated Wall Assembly[; G][; G, [_____]]
Galvanizing Repair Paint[; G][; G, [_____]]
Enamel Repair Paint[; G][; G, [_____]]
Aluminized Steel Repair Paint[; G][; G, [_____]]
Accessories[; G][; G, [_____]]
SD-04 Samples
Submit as required each of the following samples:
Coil Stock[; G][; G, [_____]], sample
30.5 cm 12 inches long by the actual panel width
Roofing Panels[; G][; G, [_____]], sample 30.5 cm 12 inches long by actual panel width
Fasteners[; G][; G, [_____]]
Metal Closure Strips[; G][; G, [_____]], 25.4 cm 10 inches long of each type
Insulation[; G][; G, [_____]], approximately 20 by 28 cm 8 by 11 inches
Manufacturer s color charts and chips[; G][; G, [_____]]
SD-05 Design Data
As applicable submit the following:
Wind design analysis[; G][; G, [_____]]
[Seismic design analysis[; G][; G, [_____]]
]
SD-06 Test Reports
Submit test reports[; G][; G, [_____]] for the following in accordance with the requirements
in this section.
Leakage Tests[; G][; G, [_____]]
Fire Rating Test Report[; G][; G, [_____]]
Coatings and base metals of metal roofing[; G][; G, [_____]] test as specified and in various
referenced standards in this section.
Factory Finish and Color Performance Requirements[; G][; G, [_____]]
Wind Uplift Test Report[; G][; G, [_____]]
[Seismic Test Report[; G][; G, [_____]]
]
SD-07 Certificates
Submit certificates for the following items showing conformance with referenced standards contained
in this section:
Coil Stock[; G][; G, [_____]]
Fasteners[; G][; G, [_____]]
Galvanizing Repair Paint[; G][; G, [_____]]
Enamel Repair Paint[; G][; G, [_____]]
SD-08 Manufacturer's Instructions
Installation of Roof panel assemblies[; G][; G, [_____]]
SD-11 Closeout Submittals
Warranty[; G][; G, [_____]]
Information Form and Placard[; G][; G, [_____]]
manufacturer's field inspection reports[; G][; G, [_____]]
Instructions[; G][; G, [_____]] To:
Government and/or Contractor Personnel; Include copies of Material Safety Data Sheets[; G][;
G, [_____]] for maintenance/repair materials.
Date Of Installation Wall-Mounted Placard[; G][; G, [_____]]
[Submit 20 year "No-Dollar-Limit" warranty for labor and materials[; G][; G, [_____]].
]
1.5 QUALITY ASSURANCE
1.5.1 Pre-roofing Conference
After submittals are received and approved but before roofing and insulation work, including associated work,
is performed, the Contracting Officer will hold a pre-roofing conference to review the following:
a. The drawings and specifications:
Fabrication and Installation drawings for the following items are to indicate completely dimensioned
structural frame and erection layouts, openings in roof, special framing details and construction
details at corners, ridges, eaves, building intersections, curbs and flashing, location and
type of mastic and metal filler strips, location and erection of flashing and gutter/downspout
assembly:
Installation of Roof panel assemblies
Roofing Panels
Flashing and Accessories
Gutter/Downspout Assembly
Submit certification from coil stock manufacturer or supplier that the machinery used will form
the provided coil stock without warping, waviness, or rippling that is not a part of the panel
profile, and without damage, abrasion or marring of the finish coating.
Submit manufacturer s color charts and chips, approximately 10.2 by 10.2 cm 4 by 4 inches, showing
full range of colors, textures and patterns available for roof panels with Factory Color Finish
.
Submit Factory Finish and Color Performance Requirements verified by an independent testing
agency.
Roofing manufacturer to submit a wind design analysis to include, but not limited to, wind speed,
exposure category, co-efficient, importance factor, designate type of facility, negative pressures
for each zone, methods and requirements of attachment. Wind design analysis to include roof
plan delineating dimensions and attachment patterns for each zone. Wind design analysis to
be prepared and sealed by Licensed Project Engineer in the geographic area where the construction
will take place.
Wind Uplift Test Report
[Seismic design analysis
][Seismic Test Report
]Fire Rating Test Report
b. Qualifications including:
Qualification of Manufacturer
Certify that the manufacturer of the metal roofing system meets requirements specified.
Qualification of Installer
Certify that the applicator meets requirements specified, and provide evidence that products
used within this specification are manufactured in the United States.
Qualifications for Welding
Provide certification of welding procedures conforming to
AWS A5.1/A5.1M and AWS D1.1/D1.1M
c. Procedure for on site inspection and acceptance of the roofing substrate and pertinent structural
details relating to the roofing system, including; but not limited to:
Material Safety Data Sheets
Sub-girts and Formed Shapes
Closure Materials
Insulation
Pressure Sensitive Tape
Sealants and Caulking
Rated Wall Assembly
[Galvanizing Repair Paint
][Enamel Repair Paint
][Aluminized Steel Repair Paint
]Accessories
d. Contractor s plan for coordination of the work of the various trades involved in providing
the roofing system and other components secured to the roofing
Include detailed application instructions and standard manufacturer drawings altered as required
by these specifications. Explicitly identify in writing, differences between manufacturer's
instructions and the specified requirements.
e. Safety requirements
f. Submit Manufacturer's data indicating percentage of recycle material in roofing panels to
verify sustainable acquisition compliance.
1.5.2 Manufacturer's Technical Representative
The representative must have authorization from manufacturer to approve field changes and be thoroughly familiar
with the products and installations in the geographical area where construction will take place.
1.5.3 Qualification of Manufacturer
Metal roof panel system manufacturer must have:
A minimum of five years experience in manufacturing metal roof system and accessory products.
Provide engineering services by an authorized engineer; currently licensed in the geographical area where construction
will take place, having a minimum of four years experience as an engineer knowledgeable in roof wind design analysis,
protocols and procedures for the MBMA Metal Roofing System Design Manual; ASCE/SEI 7-05, UL 580 and FM wind design
guide for metal roof systems.
Provide certified engineering calculations using the products submitted for:
Wind uplift requirements in accordance with FM Wind Design Guide and ASCE/SEI 7-05.
1.5.4 Qualification of Installation Contractor
The installation contractor must be approved and certified by the roofing panel manufacturer prior to beginning
the installation of the metal roofing system.
1.5.5 Single Source
Obtain each type of metal roof and liner panels, clips, closures and other accessories from the standard products
of the single source from a single manufacturer to operate as a complete system for the intended use.
1.5.6 Surface-Burning Characteristics
Provide metal roof panels having insulation core material with the following surface-burning characteristics
as determined by testing identical products according to ASTM E 84 by a qualified testing agency. Identify products
with appropriate markings of applicable testing agency.
a. Flame-Spread Index: [25][_____] or less.
b. Smoke-Developed Index: [450][_____] or less.
1.5.7 Fire-Resistance Ratings
a. Where indicated, provide metal roof panels identical to those of assemblies tested for fire
resistance per ASTM E 119 by a qualified testing agency. Identify products with appropriate
markings of applicable testing agency.
b. Indicate design designations from UL's "Fire Resistance Directory" or from the listings
of another qualified testing agency.
Combustion Characteristics: ASTM E 136.
1.5.8 Fabrication
a. Fabricate and finish metal roof panels and accessories at the factory to greatest extent
possible, by manufacturer's standard procedures and processes and as necessary to fulfill indicated
performance requirements. Comply with indicated profiles, dimensional and structural requirements
conforming to AISI SG03-3.
b. Provide panel profile, including major ribs and intermediate stiffening ribs, if any, for
full length of panel.
c. Fabricate metal roof panel side laps with factory-installed captive gaskets or separator
strips that provide a tight seal and prevent metal-to-metal contact, in a manner that will seal
weather-tight and minimize noise from movements within panel assembly.
d. Sheet Metal Accessories: Fabricate flashing and trim to comply with recommendations in
SMACNA 1793 that apply to the design, dimensions, metal, and other characteristics of item indicated.
(1) Form exposed sheet metal accessories that are without excessive oil canning, buckling,
and tool marks and that are true to line and levels indicated, with exposed edges folded back
to form hems.
(2) End Seams: Fabricate nonmoving seams with flat-lock seams. Form seams and seal with epoxy
seam sealer. Rivet joints for additional strength.
(3) Sealed Joints: Form non-expansion but movable joints in metal to accommodate elastomeric
sealant to comply with SMACNA 1793.
(4) Conceal fasteners and expansion provisions where possible. Exposed fasteners are not allowed
on faces of accessories exposed to view.
(5) Fabricate cleats and attachment devices of size and metal thickness recommended by SMACNA 1793
or by metal roof panel manufacturer for application, but not less than thickness of metal being
secured.
1.5.9 Finishes
a. Comply with NAAMM AMP 500 for recommendations for applying and designating finishes.
b. Appearance of Finished Work: Noticeable variations in same piece are not acceptable. Variations
in appearance of adjoining components are acceptable if they are within the range of approved
Samples and are assembled or installed to minimize contrast.
1.6 DELIVERY, HANDLING, AND STORAGE
Deliver components, sheets, metal roof panels, and other manufactured items so as not to be damaged or deformed;
package metal roof panels for protection during transportation and handling.
Unload, store, and erect metal roof panels in a manner to prevent bending, warping, twisting, and surface damage.
Stack metal roof panels on platforms or pallets, covered with suitable weather-tight and ventilated covering;
store metal roof panels to ensure dryness. Do not store metal roof panels in contact with other materials that
might cause staining, denting, or other surface damage.
Protect strippable protective covering on metal roof panels from exposure to sunlight and high humidity, except
to extent necessary for period of metal roof panel installation.
Protect foam-plastic insulation as follows:
a. Do not expose to sunlight, except to extent necessary for period of installation and concealment.
b. Protect against ignition at all times. Do not deliver foam-plastic insulation materials
to Project site before installation time.
Complete installation and concealment of plastic materials as rapidly as possible in each area of construction.
1.7 PROJECT CONDITIONS
Weather Limitations: Proceed with installation only when existing and forecasted weather conditions permit metal
roof panel work to be performed according to manufacturer's written instructions and warranty requirements.
Field Measurements: Verify actual dimensions of construction contiguous with metal roof panels by field measurements
before fabrication.
1.8 WARRANTY
Furnish the metal roof panel manufacturer's [5][10][_____][20][30]-year no dollar limit roof system materials
and installation workmanship warranty, including flashing, [insulation, ]components, trim, and accessories necessary
for a watertight roof system construction. Make warranty directly to the Government, commencing at time of
Government's acceptance of the roof work. The warranty must state that:
a. if within the warranty period, the metal roof system, as installed for its intended use
in the normal climatic and environmental conditions of the facility, becomes non-watertight,
shows evidence of moisture intrusion within the assembly, displaces, corrodes, perforates, separates
at the seams, or shows evidence of excessive weathering due to defective materials or installation
workmanship, the repair or replacement of the defective and damaged materials of the metal roof
system and correction of defective workmanship is the responsibility of the metal roof panel
manufacturer. All costs associated with the repair or replacement work are the responsibility
of the metal roof panel manufacturer. Galvanized repairs must conform to ASTM A 780.
b. if the manufacturer or his approved applicator fail to perform the repairs within [24][48][72]
hours of notification, emergency temporary repairs performed by others does not void the warranty.
[1.8.1 Manufacturer's Finish Warranty
NOTE: Include the following paragraph when factory color finish panels are
specified.
NOTE: For NAVFAC projects, delete this paragraph and use the appropriate warranty
forms included in the paragraph titled "FORM ONE".
Provide a manufacturer's 20 year "No-Dollar-Limit" warranty for labor and materials for the roofing system.
Issue the warranty directly to the Government at the date of Government acceptance.warranting that the factory
color finish, under normal atmospheric conditions at the site, will not crack, peel, or delaminate; chalk in
excess of a numerical rating of 8 when measured in accordance with ASTM D 4214; or fade or change colors in excess
of 5 NBS units as measured in accordance with ASTM D 2244.
]1.8.2 Metal Roof System Installer Warranty
NOTE: For Army projects use the first bracketed paragraph and delete the remainder
of the installer warranty requirements.
For all other projects, delete the first bracketed paragraph. Use the second
paragraph.
[Provide the "Contractors [Five][Ten][Twenty] [5][10][20]) Year No Penal Sum Warranty for Non-Structural Metal
Roof System" attached at the end of this section. [Provide a separate bond in an amount equal to the installed
total material and installation roofing system cost in favor of the Government covering the installer's warranty
responsibilities effective throughout the [five][ten][twenty] [5][10][20]) year warranty period.]]
[Provide roof system installer warranty for a period of not less than [two][five] years that the roof system,
as installed, is free from defects in installation workmanship, to include the roof panel installation, flashing,
[insulation,] accessories, attachments, and sheet metal installation integral to a complete watertight roof system
assembly. Issue warranty directly to the Government. Correction of defective workmanship and replacement of
damaged or affected materials is the responsibility of the metal roof system installer. All costs associated
with the repair or replacement work are the responsibility of the installer.]
1.8.3 Continuance of Warranty
Repair or replacement work that becomes necessary within the warranty period must be approved, as required, and
accomplished in a manner so as to restore the integrity of the roof system assembly and validity of the metal
roof system manufacturer warranty for the remainder of the manufacturer warranty period.
1.9 CONFORMANCE AND COMPATIBILITY
The entire metal roofing and flashing system must be in accordance with specified and indicated requirements,
including wind resistance [and seismic per AISC 341 ]requirements. Work not specifically addressed and any deviation
from specified requirements must be in general accordance with recommendations of the MBMA RSDM, NRCA 0405, the
metal panel manufacturer's published recommendations and details, and compatible with surrounding components
and construction. Submit any deviation from specified or indicated requirements to the Contracting Officer for
approval prior to installation.
1.10 SCHEDULE
Some metric measurements in this section are based on mathematical conversion of English unit measurements, and
not on metric measurement commonly agreed to by the manufacturers or other parties. The English and metric units
for the measurements shown are as follows:
PRODUCTS METRIC UNITS
a. Sheet Aluminum 1.0 mm
b. Panels 300 mm
- vertical legs 50 mm
- stiffening ribs 100 mm
c. Screws 0.242 mm
0.216 mm
d. Bolts 6 mm
e. Studs 5 mm
f. Fasteners 13 mm
25 mm
g. Rivets 5 mm
3 mm
PRODUCTS ENGLISH UNITS
a. Sheet Aluminum 0.040 inch
b. Panels 12 inches
- vertical legs 2 inches
- stiffening ribs 4 inches
c. Screws No. 14
No. 12
d. Bolts 1/4 inch
e. Studs 3/16 inch
f. Fasteners 1/2 inch
One inch
g. Rivets 1/16 inch
1/8 inch
PART 2 PRODUCTS
2.1 PANEL MATERIALS
[2.1.1 Aluminum Sheet
Roll-form aluminum roof and liner panels to the specified profile, with
fy = [2.12][2.81][3.52][5.63] kscm [30] [40] [50] [80] ksi, [0.81][1.02][1.27] mm [.032][.040][.050] inch thickness
and depth as indicated. Material must be plumb and true, and within the tolerances listed:
a. Aluminum Sheet conforming to ASTM B 209, ASTM B 209M, and AA ADM1.
b. Individual panels to have continuous length to cover the entire length of any unbroken roof
slope with no joints or seams and formed without warping, waviness, or ripples that are not
part of the panel profile and free of damage to the finish coating system.
c. Provide panels with thermal expansion and contraction consistent with the type of system
specified.
(1) [Profile and coverage to be a minimum height and width from manufacturer s standard for
the indicated roof slope.]
(2) [Profile to be a 3.8 cm 1-1/2 inch high rib at 30.5 cm 12 inches o.c. with small stiffening
ribs, 96.5 cm 38 inch overall width with 91.5 cm 36 inch coverage and exposed fasteners.]
(3) [Profile to be a 3.8 cm 1-1/2 inch high rib at 18.3 cm 7.2 inches o.c., 98.75 cm 38-7/8
inch overall width with 91.5 cm 36 inch coverage and exposed fasteners.]
(4) [Profile to be a 2.54 cm 1 inch high rib at 10.2 cm 4 inches o.c., 126 cm 49-5/8 inch overall
width with [122][112] cm [48] [44] inch coverage and exposed fasteners.]
(5) [Profile to be a 2.54 cm 1 inch high rib at 20.3 cm 8 inches o.c., 106 cm 41-5/8 inch overall
width with 102 cm 40 inch coverage and exposed fasteners.]
(6) [Profile to be a 4.45 cm 1-3/4 inch high V-beam rib at12.7 cm5 inches o.c., 114 cm 44-7/8
inch overall width with 107 cm 42 inch coverage and exposed fasteners.]
(7) [Profile to be a 2.22 cm 7/8 inch high corrugated rib at 5.08 cm 2 inches o.c., 98.74 cm
38-7/8 inch overall width with 91.44 cm36 inch coverage and exposed fasteners.]
(8) [Profile to be a 7.6 cm 3 inch high standing seam, 61 cm24 inchcoverage, factory-caulked
and mechanical crimping or snap-together seams with concealed clips and fasteners.]
(9) [Profile to be a [2.54][4.45][5.08][6.35] cm [1][1-3/4][2][2-1/2] inch high standing seam,
[30.5][40.6][46] cm [12] [16] [18] inch coverage, with mechanical crimping or snap-together
seams with concealed clips and fasteners.]
(10) [Smooth, flat] [Embossed] Surface Texture.
][2.1.2 Steel Sheet
Roll-form steel roof and liner panels to the specified profile, with [2.12][2.81][3.52][5.63] kscm fy = [30]
[40] [50] [80] ksi, [26] [24] [22] [20] [18] gauge and depth as indicated, conforming to ASTM A 1008/A 1008M,
ASTM A 36/A 36M. Material must be plumb and true, and within the tolerances listed:
[a. Galvanized/Galvannealed Steel Sheet conforming to ASTM A 123/A 123M, ASTM A 653/A 653M,
ASTM A 653/A 653M, ASTM A 653/A 653M, ASTM A 792/A 792M, and AISI SG03-3.]
b. Metallic coated steel sheet conforming to ASTM A 924/A 924M.
[c. Aluminum-Zinc Alloy-coated Steel Sheet conforming to ASTM A 463/A 463M, ASTM A 792/A 792M
and AISI SG03-3.]
[d. Steel sheet with porcelain coating conforming to ASTM A 424, ASTM C 286, and PEI 1001, or
ASTM A 606 for improved atmospheric corrosion resistance.]
e. Individual panels to have continuous length to cover the entire length of any unbroken roof
slope with no joints or seams and formed without warping, waviness, or ripples that are not
part of the panel profile and free of damage to the finish coating system.
f. Provide panels with thermal expansion and contraction consistent with the type of system
specified.
(1) [Profile and coverage to be a minimum height and width from manufacturer's standard for
the indicated roof slope.]
(2) [Profile to be a 3.8 cm 1-1/2 inch high rib at 30.5 cm12 inches o.c. with small stiffening
ribs, 96.5 cm 38 inch overall width with 91.5 cm 36 inch coverage and exposed fasteners.]
(3) [Profile to be a 3.8 cm 1-1/2 inch high rib at 18.3 cm 7.2 inches o.c., 98.75 cm 38-7/8
inch overall width with 91.5 cm 36 inchcoverage and exposed fasteners.]
(4) [Profile to be a 2.54 cm 1 inch high rib at 10.2 cm 4 inches o.c., 126 cm 49-5/8 inch overall
width with [122][112] cm [48] [44] inch coverage and exposed fasteners.]
(5) [Profile to be a 2.54 cm 1 inch high rib at 20.3 cm 8 inches o.c., 106 cm 41-5/8 inch overall
width with102 cm 40 inch coverage and exposed fasteners.]
(6) [Profile to be a 2.22 cm 7/8 inch high corrugated rib at 5.08 cm 2 inches o.c., 98.74 cm
38-7/8 inch overall width with 91.44 cm36 inch coverage and exposed fasteners.]
(7) [Profile to be a 7.6 cm 3 inch high standing seam, 61 cm 24 inchcoverage, factory-caulked
and mechanical crimping or snap-together seams with concealed clips and fasteners.]
(8) [Profile to be a [2.54][4.45][5.08][6.35] cm [1][1-3/4][2][2-1/2] inch high standing seam,
[30.5][40.6][46] cm [12] [16] [18] inch coverage, with mechanical crimping or snap-together
seams with concealed clips and fasteners.]
(9) [Smooth, flat] [Embossed] Surface Texture.
][2.1.3 Foam-Insulation Core Roof Panel
Provide factory-formed [aluminum] [steel] roof panel assembly fabricated from two sheets of metal with modified
polyisocyanurate or polyurethane foam insulation core [foamed-in-place] [board] during fabrication with joints
between panels designed to form weather-tight seals. Include accessories required for weather-tight installation.
a. Closed-Cell Content: 90 percent when tested according to ASTM D 2856.
b. Density: 32 to 42 kg/cu. m 2.0 to 2.6 lb/cu. ft. when tested according to ASTM D 1622.
c. Compressive Strength: Minimum 140 kPa 20 psi when tested according to ASTM D 1621.
d. Shear Strength: 179 kPa 26 psi when tested according to ASTM C 273/C 273M.
]2.1.4 Insulated Panel Construction
Shop fabricate or field assemble insulated panel construction with specified exterior and interior [aluminum]
[steel] sheet in accordance with manufacturer's printed instructions.
Pre-finished interior lath or board finished interior surface for panel assemblies must conform to FS SS-L-30
and UL Bld Mat Dir.
Insulation to be [glass-fiber] [slag-wool-fiber] [rock-wool-fiber] conforming to ASTM C 553 and ASTM C 612 of
thickness and density as required for the geographical area where construction will take place. Glass-Fiber and
Mineral-Wool-Fiber are materials listed in the EPA's Comprehensive Procurement Guidelines (CPG) (http://www.epa.gov/cpg/
)
Insulation fasteners to be adhesively attached, plate welded to projecting spindle anchors; capable of holding
insulation of thickness indicated, secured in position with self-locking washer and complying with the following
requirements:
a. Plate: Perforated galvanized carbon-steel sheet, 0.762 mm 0.030 inch thick by 50 m 2 inches
square.
b. Spindle: Copper-coated, low carbon steel; fully annealed;(2.67 mm)0.105 inch in diameter;
length to suit depth of insulation indicated.
c. Insulation-Retaining Washers: Self-locking washers formed from 0.41-mm 0.016-inch thick
galvanized steel sheet, with beveled edge for increased stiffness, sized as required to hold
insulation securely in place, but not less than 38 mm 1-1/2 inches square or in diameter.
d. Anchor adhesive to be a product with demonstrated capability to bond insulation anchors
securely to substrates indicated without damaging insulation, fasteners, and substrates.
2.1.5 Finish
All panels are to receive a factory-applied [polyvinylidene fluoride] [Kynar 500/Hylar 5000] [_____] finish consisting
of a baked-on top-coat with a manufacturer s recommended prime coat conforming to the following:
a. Metal Preparation: All metal is to have the surfaces carefully prepared for painting on
a continuous process coil coating line by alkali cleaning, hot water rinsing, application of
chemical conversion coating, cold water rinsing, sealing with acid rinse, and thorough drying.
b. Prime Coating: A base coat of epoxy paint, specifically formulated to interact with the
top-coat, is to be applied to the prepared surfaces by roll coating to a dry film thickness
of 0.20 + 0.05 mils. This prime coat must be oven cured prior to application of finish coat.
c. Exterior Finish Coating: Apply the finish coating over the primer by roll coating to dry
film thickness of 0.80 + 5 mils (3.80 + 0.50 mils for Vinyl Plastisol) for a total dry film
thickness of 1.00 + 0.10 mils (4.00 + 0.10 mils for Vinyl Plastisol). This finish coat must
be oven-cured.
d. Interior Finish Coating: Apply a wash-coat on the reverse side over the primer by roll
coating to a dry film thickness of 0.30 + 0.05 mils for a total dry film thickness of 0.50 +
0.10 mils. The wash-coat must be oven-cured.
e. Color: The exterior finish chosen from the manufacturer's standard color chart.
f. Physical Properties: Coating must conform to the industry and manufacturer s standard performance
criteria as listed by the following certified test reports:
Chalking: ASTM D 333
Coating Thickness: ASTM B 659
Color Change and Conformity: ASTM D 2244
Weatherometer: ASTM G 23 and ASTM D 822
Humidity: ASTM D 2247 and ASTM D 714
Salt Spray: ASTM B 117
Chemical Pollution: ASTM D 1308
Gloss at 60: ASTM D 523
Pencil Hardness: ASTM D 3363
Reverse Impact: ASTM D 2794
Flexibility: ASTM D 522
Abrasion: ASTM D 968
Flame Spread: ASTM E 84
2.2 MISCELLANEOUS METAL FRAMING
2.2.1 General
Cold-formed metallic-coated steel sheet conforming to AISI SG03-3 and ASTM A 653/A 653M and specified in Section
05 40 00 COLD-FORMED METAL FRAMING unless other wise indicated.
2.2.2 Fasteners for Miscellaneous Metal Framing
Type, material, corrosion resistance, size and sufficient length to penetrate the supporting member a minimum
of 2.54 cm 1 inch with other properties required to fasten miscellaneous metal framing members to substrates
in accordance with the roof panel manufacturer's and ASCE/SEI 7-05 requirements.
2.3 FASTENERS
2.3.1 General
Type, material, corrosion resistance, size and sufficient length to penetrate the supporting member a minimum
of 2.54 cm 1 inch with other properties required to fasten miscellaneous metal framing members to substrates
in accordance with the roof panel manufacturer's and ASCE/SEI 7-05 requirements.
2.3.2 Exposed Fasteners
Fasteners for roof panels to be corrosion resistant coated steel, aluminum, stainless steel, or nylon capped
steel compatible with the sheet panel or flashing and of a type and size recommended by the manufacturer to meet
the performance requirements and design loads. Fasteners for accessories to be the manufacturer's standard.
Provide an integral metal washer matching the color of attached material with compressible sealing EPDM gasket
approximately .238 cm 3/32 inch thick.
2.3.3 Screws
Screws to be corrosion resistant coated steel, aluminum and/or stainless steel being the type and size recommended
by the manufacturer to meet the performance requirements.
2.3.4 Rivets
Rivets to be closed-end type, corrosion resistant coated steel, aluminum or stainless steel where watertight
connections are required.
2.3.5 Attachment Clips
Fabricate clips from steel hot-dipped galvanized in accordance with ASTM A 653/A 653M Z275 G 90 or Series 300
stainless steel. Size, shape, thickness and capacity as required meeting the insulation thickness and design
load criteria specified.
2.4 ACCESSORIES
2.4.1 General
All accessories to be compatible with the metal roof panels. Sheet metal flashing, trim, metal closure strips
, caps and similar metal accessories must not be less than the minimum thickness specified for the roof panels.
Exposed metal accessories/finishes to match the panels furnished, except as otherwise indicated. Molded foam
rib, ridge and other closure strips to be non-absorbent closed-cell or solid-cell synthetic rubber or pre-molded
neoprene to match configuration of the panels.
2.4.2 Rubber Closure Strips
Closed-cell, expanded cellular rubber conforming to ASTM D 1056 and ASTM D 1667; extruded or molded to the configuration
of the specified roof panel and in lengths supplied by the roof panel manufacturer.
2.4.3 Metal Closure Strips
Factory fabricated [aluminum] [steel] closure strips to be the same [gauge] [thickness], color, finish and profile
of the specified roof panel.
2.4.4 Joint Sealants
2.4.4.1 Sealants
Sealants are to be an approved gun type for use in hand- or air-pressure calking guns at temperatures above 4
degrees C 40 degrees F (or frost-free application at temperatures above minus 12 degrees C 10 degrees F with
minimum solid content of 85 percent of the total volume. Sealant is to dry with a tough, durable surface skin
which permits it to remain soft and pliable underneath, providing a weather-tight joint. No migratory staining
is permitted on painted or unpainted metal, stone, glass, vinyl, or wood.
Prime all joints to receive sealants with a compatible one-component or two-component primer as recommended by
the roof panel manufacturer.
2.4.4.2 Shop-Applied
Sealant for shop-applied caulking must be an approved gun grade, non-sag one component polysulfide or silicone
conforming to ASTM C 920, Type II, and with a curing time to ensure the sealant s plasticity at the time of field
erection.
2.4.4.3 Field-Applied
Sealant for field-applied caulking must be an approved gun grade, non-sag one component polysulfide or two-component
polyurethane with an initial maximum Shore A durometer hardness of 25, and conforming to ASTM C 920, Type II.
Color to match panel colors.
2.4.4.4 Tape Sealant
Pressure sensitive, 100% solid with a release paper backing; permanently elastic, non-sagging, non-toxic and
non-staining as approved by the roof panel manufacturer.
2.5 SHEET METAL FLASHING AND TRIM
2.5.1 Fabrication, General
Custom fabricate sheet metal flashing and trim to comply with recommendations in SMACNA 1793 that apply to the
design, dimensions, metal and other characteristics of the items indicated. Shop fabricated items where practicable.
Obtain field measurements for accurate fit before shop fabrication.
2.5.2 Roof Drainage Sheet Metal Fabrications
Gutters: Fabricate to cross section indicated, with riveted and soldered joints, complete with end pieces, outlet
tubes, and other special accessories as required. Fabricate in minimum 243.8 cm 96-inch long sections. Fabricate
expansion joints and accessories from same metal as gutters, unless otherwise indicated.
Downspouts: Fabricate [circular] [rectangular] downspouts complete with mitered elbows. Furnish with metal
hangers, from same material as downspouts and anchors.
2.6 REPAIR OF FINISH PROTECTION
Repair paint for color finish enameled roofing must be compatible paint of the same formula and color as the
specified finish furnished by the roofing manufacturer. Acrylic or modified acrylic must conform to NAVFAC A-A-50570
.
PART 3 EXECUTION
3.1 EXAMINATION
Contracting Officer may request verification and certification testing of coatings and base metals of metal roofing
prior to installation.
a. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements
for installation tolerances, metal roof panel supports, and other conditions affecting performance
of the Work.
b. Examine primary and secondary roof framing to verify that rafters, purlins, angles, channels,
and other structural panel support members and anchorages have been installed within alignment
tolerances required by metal roof panel manufacturer, UL, ASTM, ASCE/SEI 7-05 and as required
for the geographical area where construction will take place.
c. Examine solid roof sheathing to verify that sheathing joints are supported by framing or
blocking and that installation is within flatness tolerances required by metal roof panel manufacturer.
d. Examine roughing-in for components and systems penetrating metal roof panels to verify actual
locations of penetrations relative to seam locations of metal roof panels before metal roof
panel installation.
e. Submit to the Contracting Officer a written report, endorsed by Installer, listing conditions
detrimental to performance of the work.
f. Proceed with installation only after unsatisfactory conditions have been corrected.
3.2 PREPARATION
a. Clean substrates of substances harmful to insulation, including removing projections capable
of interfering with insulation attachment.
b. Miscellaneous Framing: Install sub-purlins, eave angles, furring, and other miscellaneous
roof panel support members and anchorage according to metal roof panel manufacturer's written
instructions.
3.3 ROOF PANEL INSTALLATION
Provide metal roof panels of full length from eave to ridge or eave to wall as indicated, unless otherwise indicated
or restricted by shipping limitations. Anchor metal roof panels and other components of the Work securely in
place, with provisions for thermal and structural movement in accordance with NRCA ASMMRM.
[a. Steel Roof Panels: Use stainless-steel fasteners for exterior surfaces and galvanized steel
fasteners for interior surfaces.]
[b. Aluminum Roof Panels: Use aluminum or stainless-steel fasteners for exterior surfaces and
aluminum or galvanized steel fasteners for interior surfaces.]
[c. Anchor Clips: Anchor metal roof panels and other components of the work securely in place,
using manufacturer's approved fasteners according to manufacturers' written instructions.]
d. Metal Protection: Where dissimilar metals will contact each other or corrosive substrates,
protect against galvanic action by painting contact surfaces with bituminous coating conforming
to SSPC Paint 12, by applying rubberized-asphalt underlayment to each contact surface, or by
other permanent separation as recommended by metal roof panel manufacturer.
e. Joint Sealers: Install gaskets, joint fillers, and sealants where indicated and where required
for weatherproof performance of metal roof panel assemblies. Provide types of gaskets, fillers,
and sealants indicated or, if not indicated, types recommended by metal roof panel manufacturer.
Erect roofing system in accordance with the approved erection drawings, the printed instructions and safety precautions
of the manufacturer.
Sheets are not to be subjected to overloading, abuse, or undue impact. Bent, chipped, or defective sheets must
not be applied.
Sheets must be erected true and plumb and in exact alignment with the horizontal and vertical edges of the building,
securely anchored, and with the indicated rake, eave, and curb overhang.
Work is to allow for thermal movement of the roofing, movement of the building structure, and to provide permanent
freedom from noise due to wind pressure.
Field cutting metal roof panels by torch is not permitted.
Roofing sheets must be laid with corrugations in the direction of the roof slope. End laps of exterior roofing
must not be less than 20.3 cm 8 inches; the side laps of standard exterior corrugated sheets must not be not
less than 2-1/2 corrugations.
Do not permit storage, walking, wheeling, and trucking directly on applied roofing materials. Provide temporary
walkways, runways, and platforms of smooth clean boards or planks as necessary to avoid damage to the installed
roofing materials, and to distribute weight to conform to the indicated live load limits of roof construction.
3.4 FASTENER INSTALLATION
Anchor metal roof panels and other components of the Work securely in place, using manufacturer's approved fasteners
according to manufacturers' written instructions.
3.5 FLASHING, TRIM AND CLOSURE INSTALLATION
3.5.1 General Requirements
Comply with performance requirements, manufacturer's written installation instructions, and SMACNA 1793. Provide
concealed fasteners where possible, and set units true to line and level as indicated. Install work with laps,
joints, and seams that will be permanently watertight and weather resistant.
Sheet metalwork is to be accomplished to form weather-tight construction without waves, warps, buckles, fastening
stresses or distortion, and allow for expansion and contraction. Cutting, fitting, drilling, and other operations
in connection with sheet metal required to accommodate the work of other trades is to be performed by sheet metal
mechanics.
3.5.2 Metal Flashing
Exposed metal flashing is to be installed at building corners, rakes and eaves, junctions between metal siding
and roofing, valleys and changes of slope or direction in metal roofing, and building expansion joints and gutters.
Exposed metal flashing is to be the same material, color, and finish as the specified metal roofing.
Flashing is to be fastened at not more than 20.8 cm 8 inches on center for roofs, except where flashing are held
in place by the same screws that secure covering sheets.
Flashing is to be furnished in at least 2.44 m 8-foot lengths. Exposed flashing is to have 2.54 cm one inch
locked and blind-soldered end joints, and expansion joints at intervals of not more than 4.88 m 16 feet.
Exposed flashing and flashing subject to rain penetration to be bedded in the specified joint sealant.
Flashing which is in contact with dissimilar metals to be isolated by means of the specified asphalt mastic material
to prevent electrolytic deterioration.
Drips to be formed to the profile indicated, with the edge folded back 1/2 inch to form a reinforced drip edge.
3.5.3 Closures
Install metal closure strips at open ends of metal ridge rolls; open ends of corrugated or ribbed pattern roofs,
and at intersection of wall and roof unless open ends are concealed with formed eave flashing; rake of metal
roof unless open end has a formed flashing member; and in other required areas.
Install mastic closure strips at intersection of the wall with metal roofing; top and bottom of metal siding;
heads of wall openings; and in other required locations.
3.6 WORKMANSHIP
Make lines, arises, and angles sharp and true. Free exposed surfaces from visible wave, warp, buckle, and tool
marks. Fold back exposed edges neatly to form a 1.27 cm 1/2 inch hem on the concealed side. Make sheet metal
exposed to the weather watertight with provisions for expansion and contraction.
Make surfaces to receive sheet metal plumb and true, clean, even, smooth, dry, and free of defects and projections
which might affect the application. For installation of items not shown in detail or not covered by specifications
conform to the applicable requirements of SMACNA 1793. Provide sheet metal flashing in the angles formed where
roof decks abut walls, curbs, ventilators, pipes, or other vertical surfaces and wherever indicated and necessary
to make the work watertight.
3.7 ACCEPTANCE PROVISIONS
3.7.1 Erection Tolerances
Erect metal roofing straight and true with plumb vertical lines correctly lapped and secured in accordance with
the manufacturer's written instructions. Horizontal lines must not vary more than 0.32 cm in 12.2 m 1/8 inch
in 40 feet.
3.7.2 Leakage Tests
Finished application of metal roofing is subject to inspection and test for leakage by the Contracting Officer,
Architect/Engineer. Inspection and tests will be conducted without cost to the Government.
Inspection and testing is to be made promptly after erection to permit correction of defects and the removal
and replacement of defective materials.
3.7.3 Repairs to Finish
Scratches, abrasions, and minor surface defects of finish may be repaired with the specified repair materials.
Finished repaired surfaces must be uniform and free from variations of color and surface texture.
Repaired metal surfaces that are not acceptable to the project requirements are to be immediately removed and
replaced with new material.
3.7.4 Paint-Finish Metal Roofing
Paint-finish metal roofing will be tested for color stability by the Contracting Officer during the manufacturer's
specified guarantee period.
Panels that indicate color changes, fading, or surface degradation, determined by visual examination, must be
removed and replaced with new panels at no expense to the Government.
New panels will be subject to the specified tests for an additional year from the date of their installation.
3.8 CLEAN-UP AND DISPOSAL
Clean all exposed sheet metal work at completion of installation. Remove metal shavings, filings, nails, bolts,
and wires from roofs. Remove grease and oil films, excess sealants, handling marks, contamination from steel
wool, fittings and drilling debris and scrub the work clean. Exposed metal surfaces to be free of dents, creases,
waves, scratch marks, solder or weld marks, and damage to the finish coating.
Collect and place scrap/waste materials in containers. Promptly dispose of demolished materials. Do not allow
demolished materials to accumulate on-site; transport demolished materials from government property and legally
dispose of them.
3.9 FIELD QUALITY CONTROL
[3.9.1 Manufacturer's Inspection
NOTE: Include this paragraph when manufacturer's inspection of work is required.
Select desired frequency of manufacturer inspection and coordinate with text
of optional 2nd and 3rd bracketed sentences.
Manufacturer's technical representative must visit the site a minimum of [[three][_____] times ][once per week]
during the installation for purposes of reviewing materials installation practices and adequacy of work in place.[
Make inspections during the first 20 squares of roof panel installation, at mid-point of the installation, and
at substantial completion, at a minimum. Additional inspections are required for each 100 squares of total roof
area with the exception that follow-up inspections of previously noted deficiencies or application errors must
be performed as requested by the Contracting Officer.] After each inspection, submit a report, signed by the
manufacturer's technical representative to the Contracting Officer within 3 working days. Note in the report
overall quality of work, deficiencies and any other concerns, and recommended corrective action.
Submit three [_____] signed copies of the manufacturer's field inspection reports to the Contracting Officer
within one week of substantial completion.
]3.10 INFORMATION FORM AND PLACARD
For each roof, furnish a typewritten information card for facility records and a card laminated in plastic and
framed for interior display at roof access point, or a photoengraved 1 mm (0.032) inch thick aluminum card for
exterior display. Format as directed in paragraph titled "Form One".
Make card 215 mm by 275 mm 8 1/2 by 11 inches minimum. Information card must identify facility name and number;
location; contract number; approximate roof area; detailed roof system description, including deck type, roof
panel manufacturer and product name, type underlayment(s), date of completion; installing contractor identification
and contact information; manufacturer warranty expiration, warranty reference number, and contact information.
Install card at [interior roof top access point][location as directed by the Contracting Officer] and provide
a paper copy to the Contracting Officer.
3.11 FORM ONE
FORM 1 - PREFORMED [STEEL][ALUMINUM] PANEL ROOFING SYSTEM AND COMPONENTS
1. Contract Number:
2. Building Number & Location:
3. NAVFAC Specification Number:
4. Deck/Substrate Type:
5. Slopes of Deck/Roof Structure:
6. Insulation Type & Thickness:
7. Insulation Manufacturer:
8. Vapor Retarder: ( )Yes ( )No
9. Vapor Retarder Type:
10. Preformed Steel Standing Seam Roofing Description:
a. Manufacturer (Name, Address, & Phone No.):
b. Product Name: c. Width: d. Gage:
e. Base Metal: f. Method of Attachment:
11. Repair of Color Coating:
a. Coating Manufacturer (Name, Address & Phone No.):
b. Product Name:
c. Surface Preparation:
d. Recoating Formula:
e. Application Method:
12. Statement of Compliance or Exception:_________________________________
__________________________________________________________________________
__________________________________________________________________________
13. Date Roof Completed:
14. Warranty Period: From_______________ To_______________
15. Roofing Contractor (Name & Address):
16. Prime Contractor (Name & Address):
Contractor's Signature _________________________ Date:
Inspector's Signature _________________________ Date:
[3.12 DATE OF INSTALLATION WALL-MOUNTED PLACARD
For each metal roof panel installation, furnish an exterior "Date of Installation Placard", 0.032 inch thick
[aluminum][_____], 21.6 cm 8-1/2 inches high by 28 cm 11 inches wide, with mounting accessories, photoengraved
to include the following information:
Facility Name and Number
Approximate Roof Area Newly Installed and Date of Completion
Manufacturer, Type of Roof Panel and Name
Underlayment and Insulation System, R value
Installing Contractor and Contact Information
Warranty Expiration Date
Warranty Reference Number and Contact Information
Install placard as directed by the Contracting Officer.
]3.13 USACE WARRANTY
NOTE: Include the attached four page warranty document for Army projects only.
Coordinate with the warranty text in Part 1 of this specification.
CONTRACTOR'S [FIVE (5)][TEN (10)][TWENTY (20)] YEAR NO PENAL SUM WARRANTY
FOR
NON-STRUCTURAL METAL ROOF SYSTEM
FACILITY DESCRIPTION_________________________________________________
BUILDING NUMBER:_____________________________________________________
CORPS OF ENGINEERS CONTRACT NUMBER:__________________________________
CONTRACTOR
CONTRACTOR:__________________________________________________________
ADDRESS:_____________________________________________________________
POINT OF CONTACT:____________________________________________________
TELEPHONE NUMBER:____________________________________________________
OWNER
OWNER:_______________________________________________________________
ADDRESS:_____________________________________________________________
POINT OF CONTACT:____________________________________________________
TELEPHONE NUMBER:____________________________________________________
CONSTRUCTION AGENT
CONSTRUCTION AGENT:__________________________________________________
ADDRESS:_____________________________________________________________
POINT OF CONTACT:____________________________________________________
TELEPHONE NUMBER:____________________________________________________
CONTRACTOR'S [FIVE (5)][TEN (10)][TWENTY (20)] YEAR NO PENAL SUM WARRANTY
FOR
NON-STRUCTURAL METAL ROOF SYSTEM
(continued)
THE NON-STRUCTURAL METAL ROOF SYSTEM INSTALLED ON THE ABOVE NAMED BUILDING IS WARRANTED BY _____________________________
FOR A PERIOD OF FIVE (5) YEARS AGAINST WORKMANSHIP AND MATERIAL DEFICIENCIES, WIND DAMAGE, STRUCTURAL FAILURE, AND
LEAKAGE. THE NON-STRUCTURAL METAL ROOFING SYSTEM COVERED UNDER THIS WARRANTY SHALL INCLUDE, BUT SHALL NOT BE LIMITED
TO, THE FOLLOWING: THE ENTIRE ROOFING SYSTEM, MANUFACTURER SUPPLIED FRAMING AND STRUCTURAL MEMBERS, METAL ROOF PANELS,
FASTENERS, CONNECTORS, ROOF SECUREMENT COMPONENTS, AND ASSEMBLIES TESTED AND APPROVED IN ACCORDANCE WITH UL 580.
IN ADDITION, THE SYSTEM PANEL FINISHES, SLIP SHEET, INSULATION, VAPOR RETARDER, ALL ACCESSORIES, COMPONENTS, AND
TRIM AND ALL CONNECTIONS ARE INCLUDED. THIS INCLUDES ROOF PENETRATION ITEMS SUCH AS VENTS, CURBS, SKYLIGHTS; INTERIOR
OR EXTERIOR GUTTERS AND DOWNSPOUTS; EAVES, RIDGE, HIP, VALLEY, RAKE, GABLE, WALL, OR OTHER ROOF SYSTEM FLASHING INSTALLED
AND ANY OTHER COMPONENTS SPECIFIED WITHIN THIS CONTRACT TO PROVIDE A WEATHERTIGHT ROOF SYSTEM; AND ITEMS SPECIFIED
IN OTHER SECTIONS OF THE SPECIFICATIONS THAT ARE PART OF THE NON-STRUCTURAL METAL ROOFING SYSTEM.
ALL MATERIAL DEFICIENCIES, WIND DAMAGE, STRUCTURAL FAILURE, AND LEAKAGE ASSOCIATED WITH THE NON-STRUCTURAL METAL
ROOF SYSTEM COVERED UNDER THIS WARRANTY SHALL BE REPAIRED AS APPROVED BY THE CONTRACTING OFFICER. THIS WARRANTY
SHALL COVER THE ENTIRE COST OF REPAIR OR REPLACEMENT, INCLUDING ALL MATERIAL, LABOR, AND RELATED MARKUPS. THE ABOVE
REFERENCED WARRANTY COMMENCED ON THE DATE OF FINAL ACCEPTANCE ON ____________________________ AND WILL REMAIN IN
EFFECT FOR STATED DURATION FROM THIS DATE.
SIGNED, DATED, AND NOTARIZED (BY COMPANY PRESIDENT)
____________________________________________________________
(Company President) (Date)
CONTRACTOR'S [FIVE (5)][TEN (10)][TWENTY (20)] YEAR NO PENAL SUM WARRANTY
FOR
NON-STRUCTURAL METAL ROOFING SYSTEM
(continued)
THE CONTRACTOR MUST SUPPLEMENT THIS WARRANTY WITH WRITTEN WARRANTIES FROM THE MANUFACTURER AND/OR INSTALLER OF THE
NON-STRUCTURAL METAL ROOFING SYSTEM.SUBMIT ALONG WITH THE CONTRACTOR'S WARRANTY. HOWEVER, THE CONTRACTOR IS ULTIMATELY
RESPONSIBLE FOR THIS WARRANTY AS OUTLINED IN THE SPECIFICATIONS AND AS INDICATED IN THIS WARRANTY EXAMPLE.
EXCLUSIONS FROM COVERAGE
1. NATURAL DISASTERS, ACTS OF GOD (LIGHTNING, FIRE, EXPLOSIONS, SUSTAINED WIND FORCES IN EXCESS OF THE DESIGN CRITERIA,
EARTHQUAKES, AND HAIL).
2. ACTS OF NEGLIGENCE OR ABUSE OR MISUSE BY GOVERNMENT OR OTHER PERSONNEL, INCLUDING ACCIDENTS, VANDALISM, CIVIL
DISOBEDIENCE, WAR, OR DAMAGE CAUSED BY FALLING OBJECTS.
3. DAMAGE BY STRUCTURAL FAILURE, SETTLEMENT, MOVEMENT, DISTORTION, WARPAGE, OR DISPLACEMENT OF THE BUILDING STRUCTURE
OR ALTERATIONS MADE TO THE BUILDING.
4. CORROSION CAUSED BY EXPOSURE TO CORROSIVE CHEMICALS, ASH OR FUMES GENERATED OR RELEASED INSIDE OR OUTSIDE THE
BUILDING FROM CHEMICAL PLANTS, FOUNDRIES, PLATING WORKS, KILNS, FERTILIZER FACTORIES, PAPER PLANTS, AND THE LIKE.
5. FAILURE OF ANY PART OF THE NON-STRUCTURAL METAL ROOF DUE TO ACTIONS BY THE OWNER TO INHIBIT FREE DRAINAGE OF
WATER FROM THE ROOF AND GUTTERS AND DOWNSPOUTS OR ALLOW PONDING WATER TO COLLECT ON THE ROOF SURFACE. CONTRACTOR'S
DESIGN MUST INSURE FREE DRAINAGE FROM THE ROOF AND NOT ALLOW PONDING WATER.
6. THIS WARRANTY APPLIES TO THE NON-STRUCTURAL METAL ROOFING SYSTEM. IT DOES NOT INCLUDE ANY CONSEQUENTIAL DAMAGE
TO THE BUILDING INTERIOR OR CONTENTS WHICH IS COVERED BY THE WARRANTY OF CONSTRUCTION CLAUSE INCLUDED IN THIS CONTRACT.
7. THIS WARRANTY CANNOT BE TRANSFERRED TO ANOTHER OWNER WITHOUT WRITTEN CONSENT OF THE CONTRACTOR; AND THIS WARRANTY
AND THE CONTRACT PROVISIONS WILL TAKE PRECEDENCE OVER ANY CONFLICTS WITH STATE STATUTES.
CONTRACTOR'S [FIVE (5)][TEN (10)][TWENTY (20)] YEAR NO PENAL SUM WARRANTY
FOR
NON-STRUCTURAL METAL ROOF SYSTEM
(continued)
**REPORTS OF LEAKS AND ROOF SYSTEM DEFICIENCIES MUST BE RESPONDED TO WITHIN 48 HOURS OF RECEIPT OF NOTICE, BY TELEPHONE
OR IN WRITING, FROM EITHER THE OWNER OR CONTRACTING OFFICER. INITIATE EMERGENCY REPAIRS TO PREVENT FURTHER ROOF
LEAKS IMMEDIATELY; SUBMIT A WRITTEN PLAN FOR APPROVAL TO REPAIR OR REPLACE THIS ROOF SYSTEM WITHIN SEVEN (7) CALENDAR
DAYS. COMMENCE ACTUAL WORK FOR PERMANENT REPAIRS OR REPLACEMENT WITHIN 30 DAYS AFTER RECEIPT OF NOTICE, AND COMPLETED
WITHIN A REASONABLE TIME FRAME. IF THE CONTRACTOR FAILS TO ADEQUATELY RESPOND TO THE WARRANTY PROVISIONS, AS STATED
IN THE CONTRACT AND AS CONTAINED HEREIN, THE CONTRACTING OFFICER MAY HAVE THE NON-STRUCTURAL METAL ROOF SYSTEM REPAIRED
OR REPLACED BY OTHERS AND CHARGE THE COST TO THE CONTRACTOR.
IN THE EVENT THE CONTRACTOR DISPUTES THE EXISTENCE OF A WARRANTABLE DEFECT, THE CONTRACTOR MAY CHALLENGE THE OWNER'S
DEMAND FOR REPAIRS AND/OR REPLACEMENT DIRECTED BY THE OWNER OR CONTRACTING OFFICER EITHER BY REQUESTING A CONTRACTING
OFFICER'S DECISION UNDER THE CONTRACT DISPUTES ACT, OR BY REQUESTING THAT AN ARBITRATOR RESOLVE THE ISSUE. THE REQUEST
FOR AN ARBITRATOR MUST BE MADE WITHIN 48 HOURS OF BEING NOTIFIED OF THE DISPUTED DEFECTS. UPON BEING INVOKED, THE
PARTIES SHALL, WITHIN TEN (10) DAYS, JOINTLY REQUEST A LIST OF FIVE (5) ARBITRATORS FROM THE FEDERAL MEDIATION AND
CONCILIATION SERVICE. THE PARTIES MUST CONFER WITHIN TEN (10) DAYS AFTER RECEIPT OF THE LIST TO SEEK AGREEMENT ON
AN ARBITRATOR. IF THE PARTIES CANNOT AGREE ON AN ARBITRATOR, THE CONTRACTING OFFICER AND THE PRESIDENT OF THE CONTRACTOR'S
COMPANY WILL STRIKE ONE (1) NAME FROM THE LIST ALTERNATIVELY UNTIL ONE (1) NAME REMAINS. THE REMAINING PERSON IS
THE DULY SELECTED ARBITRATOR. THE COSTS OF THE ARBITRATION, INCLUDING THE ARBITRATOR'S FEE AND EXPENSES, COURT REPORTER,
COURTROOM OR SITE SELECTED, ETC., WILL BE BORNE EQUALLY BETWEEN THE PARTIES. EITHER PARTY DESIRING A COPY OF THE
TRANSCRIPT MUST PAY FOR THE TRANSCRIPT. A HEARING WILL BE HELD AS SOON AS THE PARTIES CAN MUTUALLY AGREE. A WRITTEN
ARBITRATOR'S DECISION WILL BE REQUESTED NOT LATER THAN 30 DAYS FOLLOWING THE HEARING. THE DECISION OF THE ARBITRATOR
WILL NOT BE BINDING; HOWEVER, IT WILL BE ADMISSIBLE IN ANY SUBSEQUENT APPEAL UNDER THE CONTRACT DISPUTES ACT.
POST A FRAMED COPY OF THIS WARRANTY IN THE MECHANICAL ROOM OR OTHER APPROVED LOCATION DURING THE ENTIRE WARRANTY PERIOD.