SECTION 07219

SPRAYED GLASS FIBER INSULATION

PART 1 GENERAL

SECTION INCLUDES

Glass fiber insulation [to underside of structure.] [in walls.] [________.]

[Surface sealer.] [Protective overcoat.]

PRODUCTS INSTALLED BUT NOT FURNISHED UNDER THIS SECTION

Section 09206 - Metal Furring and Lathing: Metal lath over [structural members.] [________.]

RELATED SECTIONS

Section 07213 - Batt and Blanket Insulation.

Section 07214 - Foamed-In-Place Insulation.

Section 07216 - Loose Fill Insulation.

Section 07217 - Blown Insulation.

Section 07218 - Sprayed Cellulose Insulation.

Section 07253 - Cellulose Fireproofing.

Section 07253 - Sprayed Fireproofing.

REFERENCES

ASTM C518 - Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter.

ASTM C1014 - Spray Applied Mineral Fiber Thermal or Acoustical Insulation.

ASTM D1622 - Apparent Density of Rigid Cellular Plastics.

ASTM E84 - Surface Burning Characteristics of Building Materials.

ASTM E136 - Behavior of Materials in a Vertical Tube Furnace at 750 Degrees C.

SUBMITTALS

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

Product Data: Provide data on insulation [and surface sealer] materials, describing insulation properties, [[sealer] [overcoat] requirements,] [insulation stops,] and [________].

Manufacturer's Installation Instructions: Indicate special procedures, perimeter conditions requiring special attention, and [________].

Manufacturer's Certificate: Certify that [Products] [________] meet or exceed [specified requirements] [___________________].

QUALIFICATIONS

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

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

REGULATORY REQUIREMENTS

Conform to [applicable] [________] code for [non- combustibility,] [flame and smoke ratings,] [concealment,] [[sealer] [overcoat] requirements,] [and] [________].

MOCKUP

Provide mockup of sprayed insulation under provisions of Section [01400.] [________.]

Construct mockup, [____] feet ([____] m) long by [____] feet ([____] m) wide, which includes [wall construction,] [window and frame,] [door frame,] [and] [________].

Locate [where directed] [________].

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

PRE-INSTALLATION CONFERENCE

Convene [one] [____] week prior to commencing work of this section, under provisions of Section [01039.] [________.]

ENVIRONMENTAL REQUIREMENTS

Do not install insulation [and surface sealer] when ambient temperature is lower than [____] degrees F ([____] degrees C).

Maintain acceptable ambient and substrate surface temperature just prior to, during, and after installation of materials.

SEQUENCING

Sequence work under the provisions of Section [01010.] [________.]

Sequence work to ensure timely placement of insulation within construction spaces.

PART 2 PRODUCTS

MANUFACTURERS

[__________________________________] Product [_________].

[__________________________________] Product [_________].

[__________________________________] Product [_________].

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

MATERIALS

Glass Fiber: [ASTM C1014,] conforming to the following:

Requirement ________Test____________Results

K (ksi) factor	ASTM C518	[0.25] [____] K ([0.43] [____]ksi)

Density	ASTM D1622	[3.5] [____] lb/cu ft ([56] [____] Kg/cu m)

NRC	-	[0.80] [____] for 1 inch	(25 mm) thickness.

Moisture Absorption -	Maximum [5] [____] percent by weight

Surface Burning	ASTM E84	[10/0] [____]

Combustibility	ASTM E136	Non-combustible

ACCESSORIES

Primer: As required by insulation manufacturer.

Insulation Surface Sealer: [Clear, latex base] [________] type.

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

Overcoat: [Cementitious] [________] type, spray applied; ASTM E84 flame spread and smoke developed rating of [____/____]; [________] manufactured by [____________].

Insulation Stop:	[Plastic] [Plasticized carboard] [Sheet metal], profiled and sized to suit [rafter] [________] spacing and wall/sloped roof configuration.

PART 3 EXECUTION

EXAMINATION

Verify site conditions under provisions of Section [01039.] [________.]

Verify that [surfaces] [________] are clean, dry, and free of matter that may inhibit insulation adhesion.

Verify work on and within spaces to be insulated is complete prior to insulation application.

PREPARATION

Mask and protect adjacent surfaces from overspray or damage.

Apply primer in accordance with manufacturer's instructions.

Install insulation stops between [rafters] [________] at wall/sloped roof construction to prevent insulation from covering soffit vents.

APPLICATION

Apply insulation in accordance with manufacturer's instructions.

Apply insulation to a uniform monolithic density without voids.

Apply to a minimum cured thickness of [____] inch ([____] mm).

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

Apply to achieve a thermal resistance R value of [____] (RSI value of [____]).

Tamp wet insulation surface.

Apply overcoat to a uniform minimum thickness of [____] inch ([____] mm) [, to achieve fire rating required.] [at plenum spaces and [________] to minimize particle disturbance by moving air.]

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

Apply overcoat monolithically, without voids to fully cover foam insulation [, to achieve fire rating required.] [at plenum spaces and [________] to minimize particle disturbance by moving air.]

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

Apply sealer at plenum spaces and [________] to minimize particle disturbance by moving air.

FIELD QUALITY CONTROL

Field [inspection and] testing will be performed under provisions of Section [01400.] [________.]

Inspection will include verification of insulation [and [sealer] [overcoat]] thickness [and density].

PROTECTION OF FINISHED WORK

Protect finished Work under provisions of Section [01500.] [________.]

Do not permit subsequent construction work to disturb applied insulation.

SCHEDULES

Attic Spaces: Sprayed to underside of sloped roof decking between framing trusses, insulation R value of 20, seal the exposed surfaces.

Interior Junction at Wall and Roof Construction:	Sprayed to a minimum thickness of 2 inches.

END OF SECTION