SECTION 07320

ROOFING TILES

PART 1 GENERAL

SECTION INCLUDES

Formed [clay] [concrete] [metal] roofing tiles.

Underlayment, [eave,] valley, and ridge protection, nailers.

Associated metal flashings.

RELATED SECTIONS

Section [______-____________]: Flashing reglets placed at vertical surfaces of [masonry.] [masonry chimney.] [________.]

Section 06112 - Framing and Sheathing:	Roof sheathing.

Section 06114 - Wood Blocking and Curbing:	Wood nailers.

Section [______-____________]:	Deck surface.

Section 07190 - Vapor and Air Barriers.

Section [_____-____________]: [Nailable] rigid insulation.

Section [07461 - Wood Siding] [______-____________]: Eave and facia boards.

Section 07620 - Sheet Metal Flashings and Trim.

Section 07631 - Gutters and Downspouts.

Section 07811 - Plastic Skylights.

Section [______-____________]:	Attic space vents.

Section [______-____________]:	Chimney flue.

Section [______-____________]:	Gravity vents.

Section [______-____________]: Mechanical work projecting through roof.

Section [______-____________]: Electrical work projecting through roof.

REFERENCES

ANSI/ASTM B209 - Aluminum-Alloy Sheet and Plate.

ANSI/ASTM D224 - Smooth-Surfaced Asphalt Roll Roofing (Organic Felt).

ANSI/ASTM D226 - Asphalt-Saturated Organic Felt Used in Roofing and Waterproofing.

ANSI/ASTM D2178 - Asphalt Impregnated Glass (Felt) Mat Used in Roofing and Waterproofing.

ANSI/ASTM D2822 - Asphalt Roof Cement.

ASTM A176 - Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip.

ASTM A361 - Sheet Steel, Zinc-Coated (Galvanized) by the Hot-Dip Process for Roofing and Siding.

ASTM B370 - Copper Sheet and Strip for Building Construction.

ASTM D228 - Testing Asphalt Roll Roofing, Cap Sheets and Shingles.

ASTM D249 - Asphalt Roll Roofing (Organic Felt) Surfaced with Mineral Granules.

FS L-P-375 - Plastic Film, Flexible, Vinyl Chloride.

SMACNA - Architectural Sheet Metal Manual.

NRCA - Steep Roofing Manual.

UL 580 - Tests for Wind Uplift Resistance of Roof Assemblies.

UL 790 - Tests for Fire Resistance of Roof Covering Materials.

SUBMITTALS

Submit under provisions of Section [01300.] [________.]

Shop Drawings: Indicate [specially configured] [________] metal flashings, joint locations, fastening locations, and installation details.

Product Data: Provide tile properties, configurations, special shapes, and securement methods.

Samples:	Submit [two] [_______] tile units, [____x____] inch ([____x____] mm) in size illustrating color, surface finish and texture, tile configuration.

Manufacturer's Installation Instructions: Indicate installation techniques.

QUALITY ASSURANCE

Perform Work in accordance with [NRCA - Steep Roofing Manual] [and] [SMACNA Architectural Sheet Metal Manual] [________].

Maintain [one copy] [[____] copies] of [each] document on site.

QUALIFICATIONS

Manufacturer: Company specializing in manufacturing the Products specified in this section with minimum [three] [_______] years [documented] experience.

Installer: Company specializing in performing the work of this section [with minimum [__________] years [documented] experience] [approved by manufacturer].

REGULATORY REQUIREMENTS

Conform to [applicable] [___________] code for [UL 580 wind uplift.] [UL 790 fire resistance.]

MOCKUP

Provide mockup of [wood batten,] underlayment, field tile, edge and ridge tile, and accessories under provisions of Section [01400.] [________.]

Mockup may [not] remain as part of the Work.

DELIVERY, STORAGE, AND HANDLING

Deliver, store, protect and handle products to site under provisions of Section [01600.] [________.]

Accept tile on site in packaging. Inspect for damage.

WARRANTY

Provide [five] [____] year warranty under provisions of

Section [01700.] [________.]

Warranty: Include coverage for discoloring, fading, or deterioration of pre-coated metal tiles.

Warranty: Cover damage to building [and contents] resulting from failure to resist penetration of water.

PART 2 PRODUCTS

MANUFACTURERS

[__________________________________] Product [_________].

[__________________________________] Product [_________].

[__________________________________] Product [_________].

Substitutions: Under provisions of Section [01600.] [________.]

TILE MATERIALS

Clay Tile: [________] style; [__ x __] inch ([__ x __] mm) nominal size; achieve holes before firing; [one piece semi-circular] [two piece "S"] [________] profile; special shapes to suit valley, ridge, rake, eave, and other conditions; [[gloss] [semi-gloss] [matte] glazed] [unglazed] exterior surface finish, [________] color [as selected].

****** [OR] ******

Concrete Tile: [________] style; [__ x __] inch ([__ x __] mm) nominal size; holes provided for attachment; [one piece semi-circular] [two piece "S"] [________] profile; special shapes to suit valley, ridge, rake, eave, and other conditions; [natural] [________] color [as selected].

****** [OR] ******

Metal Tile: [________] style, formed galvanized steel conforming to [ASTM A361;] [____] gage ([____] mm) thick steel with minimum [1.25] [____] oz/sq ft ([380] [____] oz/sq m) galvanized coating; [__ x __] inch ([__ x __] mm) nominal size; [one piece semi-circular] [two piece "S"] [________] profile; special shapes for valley, ridge, rake, eave, and other conditions; pre-painted with [________] to [________] color [as selected].

****** [OR] ******

Metal Tile: [________] style, formed [stucco embossed] [________] aluminum conforming to ANSI/ASTM B209; [0.03] [____] inch ([0.76] [____] mm) thick; [__ x __] inch ([__ x __] mm) nominal size; [one piece semi-circular] [two piece "S"] [________] profile; special shapes for valley, ridge, rake, eave, and other conditions; pre-painted with [________] to [________] color [as selected].

Mortar: Portland cement, sand and water to [____] psi ([____] MPa) strength, [________] slump; [____] color [to match tile.] [as selected.]

Tile Nails: As recommended by NRCA.

****** [OR] ******

Tile Nails: Standard round wire type [hot dipped galvanized steel] [________________] type, of sufficient length to penetrate [through roof sheathing.] [[____] inch ([____] mm) into substrate.]

SHEET MATERIALS

Roll Roofing: [ASTM D249;] asphalt saturated roll roofing; [____] lb/square ([____] kg/sq m) surfaced on weather side with mineral granules of [________] color; [________] manufactured by [________________].

****** [OR] ******

Roll Roofing: [ASTM D228, Type [S - Smooth Surface] [M -Mineral Surfaced] [MC - Mineral Surfaced Cap Sheet];] asphalt saturated roll roofing; [____] lb/square ([____] kg/sq m); surfaced on weather side with mineral granules of [________] color; [________] manufactured by [________________].

****** [OR] ******

Roll Roofing: [ASTM D224, Type [I - 40 lb/square (1 943 gm/sq m)] [II - 55 lb/square (2 666 gm/sq m)];] asphalt saturated roll roofing; [________] manufactured by [________________].

Eave (Ice Dam) Protection: Sheet barrier of rubberized asphalt bonded to sheet polyethylene, [40] [____] mil ([1] [____] mm) total thickness, with strippable treated release paper; [________] manufactured by [________________].

****** [OR] ******

Eave (Ice Dam) Protection: ANSI/ASTM D226, No. [15] [20] [30], [un-perforated] [perforated] asphalt saturated felts.

****** [OR] ******

Eave (Ice Dam) Protection: ANSI/ASTM D2178, Type [IV] [III], glass fiber felts.

Underlayment: Cellulose fiber building paper, water repellent breather type.

****** [OR] ******

Underlayment: [ANSI/ASTM D226,] No. [15 (73 kg/sq m)] [30 (145 kg/sq m)] un-perforated asphalt saturated felts.

****** [OR] ******

Underlayment: [FS L-P-375, Class [1] [2];] [4] [____] mil ([0.025] [____] mm) thick translucent polyethylene film; [low] [standard] permeance type.

ACCESSORIES

Plastic Cement: [ANSI/ASTM D2822;] asphalt type with mineral fiber components, free of toxic solvents, capable of setting within 24 hours at temperatures of 75 degrees F (24 degrees C) and 50 percent RH; [________] manufactured

by [________________].

Lap Cement: Fibrated cutback asphalt type, recommended for use in application of underlayment, free of toxic solvents; [________] manufactured by [________________].

Deck Tape: [2] [____] inch ([50] [____] mm) wide [aluminum coated cloth duct tape with adhesive backing.] [________.]

Wood Battens: Softwood lumber [________] species, as specified in Section [06114.] [________.]

****** [OR] ******

Wood Battens: Softwood lumber [________] species, preservative treated to AWPA Treatment C2 using [water borne] [________] preservative with [0.30] [_____] percent retainage.

****** [OR] ******

Wood Nailers: Softwood lumber [________] species, site preservative treated, to AWPA Treatment C2 using [water borne] [________] preservative with [0.30] [_____] percent retainage.

Snow Guards: [________].

FLASHING MATERIALS

Sheet Flashings:	As specified in Section [07620.] [________.]

****** [OR] ******

Sheet Flashings (Galvanized and Pre-coated):	[ASTM A361;] [24] [26] [____] gage ([0.60] [0.50] [____] mm) thick steel with minimum [1.25] [____] oz/sq ft ([380] [____] oz/sq m) galvanized coating, shop pre-coated with [silicone polyester] [________] coating of [________] color [to match [________]].

****** [OR] ******

Sheet Flashings (Galvanized): [ASTM A361;] [24] [26] [____] gage ([0.60] [0.50] [____] mm) thick steel with minimum [1.25] [____] oz/sq ft ([380] [____] oz/sq m) galvanized coating.

****** [OR] ******

Sheet Flashings (Aluminum): ANSI/ASTM B209; [0.032] [____] inch ([0.76] [____] mm) thick [stucco embossed], shop pre-coated with [silicone polyester] [________] coating of [________] color [to match [________]].

****** [OR] ******

Sheet Flashings (Copper): ASTM B370; cold rolled, [[16] [20] [____] oz/sq ft] ([0.56] [0.68 [____] mm) thick]; natural finish.

****** [OR] ******

Sheet Flashings (Stainless Steel): Conforming to ASTM A176 Type [302] [304] [316] alloy, soft tempered; [24] [____] gage ([0.60] [____] mm) thick.

Bituminous Paint: Acid and alkali resistant type; black color.

Flashing Nails: Standard round wire roofing type, [hot dipped zinc coated steel] [________]; of sufficient length to penetrate [through roof sheathing.] [[____] inch ([____] mm) into substrate.]

***** [OR] *****

Flashing Nails: Standard round wire roofing type, [hot dipped zinc coated steel] [________]; minimum 19/64 inch (8 mm) head diameter and 0.104 inch (3 mm) shank diameter; minimum 7/8 inch (22 mm) long.

FLASHING FABRICATION

Form flashings [to profiles indicated on Drawings, and] to protect materials from physical damage and shed water.

Form sections square and accurate to profile, in maximum possible lengths, free from distortion or defects detrimental to appearance or performance.

Hem exposed edges of flashings minimum [1/4] [____] inch ([6] [____] mm) on underside.

Apply bituminous paint on concealed surfaces of flashings.

PART 3 EXECUTION

EXAMINATION

Verify deck substrate under provisions of Section [01039.] [________.]

Verify that roof penetrations are in place and flashed to deck surface.

Verify roof openings are correctly framed prior to installing work of this section.

Verify that deck is of sufficient thickness to accept fasteners.

Verify deck surfaces are dry, unfrozen, free of ridges, warps, or voids.

PREPARATION

Seal roof deck joints wider than [1/16] [____] inch ([1.5] [____] mm) with deck tape.

[Fill knot holes and surface cracks with latex filler at areas of bonded eave protection.]

Broom clean deck surfaces.

INSTALLATION - EAVE (ICE DAM) PROTECTION

Place [eave edge] [and] [rake edge] metal flashings tight with facia boards. Weather lap joints [2] [____] inches ([50] [____] mm) and seal with plastic cement. Secure flange with nails spaced [____] inches ([____] mm) o.c.

Apply rubberized asphalt/polyethylene sheet eave protection in accordance with manufacturer's instructions.

****** [OR] ******

Apply 4 inch (100 mm) wide band of plastic cement over deck flange of eave edge flashings, and embed an [18] [____] inch ([450] [____] mm) wide strip of underlayment. Place underlayment starter strip with eave edge flush with face of flashings. Secure in place. Lap ends minimum [6] [____] inches ([150] [____] mm).

Apply lap cement at rate of approximately [1 1/4] [____] gal/100 sq ft ([0.5] [____] L/sq m) over underlayment starter strip.

Starting from lower edge of starter strip, lay additional 36 inch (900 mm) wide strips of underlayment in lap cement, to produce a [two] [____] ply membrane. Weather lap plies minimum [19] [____] inches ([475] [____] mm) and nail in place. Lap ends minimum [6] [____] inches ([150] [____] mm). Stagger end joints of each consecutive ply.

Extend eave protection membrane minimum [4] [2] [____] feet ([1 200] [600] [____] mm) up slope beyond interior face of exterior wall.

INSTALLATION - UNDERLAYMENT

Place [one ply] [two plies] of underlayment over area not protected by eave protection, with ends and edges weather lapped minimum [4] [6] [____] inches ([100] [150] [____] mm). Stagger end laps of each consecutive layer. Nail in place.

****** [OR] ******

Place [one ply] [two plies] of underlayment over full roof area, with ends and edges weather lapped minimum [4] [6] [____] inches ([100] [150] [____] mm). Stagger end laps of each consecutive layer. Nail in place.

Install underlayment [perpendicular] [parallel] to slope of roof and weather lap minimum [4] [____] inches ([100] [____] mm) [over eave protection].

Weather lap and seal watertight with plastic cement, items projecting through or mounted on roof.

INSTALLATION - VALLEY PROTECTION

Place one ply of smooth surfaced roll roofing, minimum [18] [____] inches ([450] [____] mm) wide, centered over valleys. Weather lap joints minimum [2] [____] inches ([50] [____] mm). Nail in place minimum [18] [____] inches ([450] [____] mm) o.c., [1] [____] inch ([25] [____] mm) from edges.

Place one layer of sheet metal flashing, minimum [24] [____] inches ([600] [____] mm) wide, centered over open valleys and crimped to guide water. Weather lap joints minimum [2] [____] inches ([50] [____] mm). Nail in place minimum [18] [____] inches ([450] [____] mm) o.c., [1] [____] inch ([25] [____] mm) from edges.

****** [OR] ******

Apply a [4] [____] inch ([100] mm) wide band of lap cement along each edge of first [ply] [layer] and embed ply of roll roofing minimum [36] [____] inches ([900] [____] mm) wide, centered. [Place with mineral surface side up.] Press into cement and nail in place minimum [18] [____] inches ([450] [____] mm) o.c., [1] [____] inch ([25] [____] mm) from edges.

INSTALLATION - METAL FLASHING

Install flashings in accordance with [NRCA requirements] [manufacturer's instructions] [Section 07620] [SMACNA Architectural Sheet Metal Manual requirements].

Weather lap joints minimum [2] [____] inches ([50] [____] mm) and seal weather tight with plastic cement.

Secure in place with nails at [____] inches ([____] mm) o.c. Conceal fastenings.

Flash and seal work projecting through or mounted on roofing with plastic cement, weather tight.

TILE INSTALLATION

Install in accordance with [manufacturer's instructions.] [NRCA Steep Roofing Manual.]

Place wood battens of size and configuration to suit tile system. [Place battens parallel to roof edge at [____] inch ([____] mm) o.c., starting at roof edge; notch [24] [____] inches ([600] [____] mm) o.c., to allow natural air ventilation and promote drainage.]

Project tile [1 1/2] [____] inches ([38] [____] mm) beyond face of facia boards.

Place tile square with building lines and parallel with roof slope. Place filler and closure pieces as required.

[Place mortar with tile units, cut flush and tool exposed joints with tile unit.]

Coordinate installation of roof mounted components or work projecting through roof with weather tight placement of counter flashings.

Complete installation to provide weather tight service.

SCHEDULES

Main Roof Area: Concrete tile, Earthtone Red color, 12 inch modular size; SMACNA Plate #62 for flashing details surrounding fireplace penetration through roof.

Dormer Areas: Concrete tile, Earthtone Red color, 8 inch modular size; SMACNA Plate #65 for flashing details at intersecting main roof.

END OF SECTION