SECTION 07270

FIRESTOPPING

PART 1 GENERAL

SECTION INCLUDES

Fireproof firestopping [and firesafing] materials[.] [and accessories.]

RELATED SECTIONS

Section [_____-__________]: Building substrate components.

Section [______-____________]: Cutting and patching of [________________.]

Section [07253 - Cellulose Fireproofing] [07255 - Cementitious Fireproofing]: Spray Applied Fireproofing.

Section [______-____________]:	Plaster fireproofing.

Section 09260 - Gypsum Board Systems: Gypsum wallboard fireproofing.

Section [______-____________]: Mechanical work requiring firestopping.

Section [______-____________]: Electrical work requiring firestopping.

REFERENCES

ASTM E84 - Test Method for Surface Burning Characteristics of Building Materials.

ASTM E119 - Method for Fire Tests of Building Construction and Materials.

ASTM E814 - Test Method of Fire Tests of Through- Penetration Firestops.

PERFORMANCE REQUIREMENTS

Fireproofing Materials: [ASTM E119] [ASTM E814] [________] to achieve a fire rating as noted on Drawings.

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

Fireproofing Materials: [ASTM E119] [ASTM E814] [________] to achieve a fire rating [of [____] hour [floor edge] construction.] [noted in Schedule at end of this Section.] [in accordance with UL Design Number [_______].]

Surface Burning:	[ASTM E84] [________] with a flame spread / fuel contributed / smoke developed rating of [___/___/___].

SUBMITTALS

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

Product Data: Provide data on product characteristics, performance and limitation criteria[,] [and][.] [________________.]

Manufacturer's Installation Instructions: Indicate preparation and installation instructions.

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 fire resistance ratings and surface burning characteristics.

Provide certificate of compliance from [authority having jurisdiction [________________] indicating approval of [combustibility.] [_______________.]

MOCK-UP

Provide mock-up of applied firestopping material under provisions of Section [01400.] [________.]

Apply [1] [____] [sq] [lineal] ft ([1/3] [____] [sq] [lineal] m) to a representative substrate surface.

If accepted, mock-up will demonstrate minimum standard for the Work.

Mock-up may [not] remain as part of the Work.

ENVIRONMENTAL REQUIREMENTS

Do not apply materials when temperature of substrate material and ambient air is below [60] [____] degrees F ([15] [____] degrees C).

Maintain this minimum temperature before, during, and for [3] [____] days after installation of materials.

[Provide ventilation in areas to receive solvent cured materials.]

SEQUENCING

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

Sequence Work to permit firestopping materials to be installed after adjacent and surrounding work is complete.

PART 2 PRODUCTS

MANUFACTURERS

[__________________________________] Product [_________.]

[__________________________________] Product [_________.]

[__________________________________] Product [_________.]

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

MATERIALS

Firestopping Material: [[Single] [multiple] component [silicone elastomeric] [foam] compound] [Formulated compound mixed with incombustible non-asbestos fibers] [Mineral fiber stuffing insulation] [Mechanical device with incombustible fillers]; conforming to the following:

[Elongation] [Shrinkage]: [____] percent.

Adhesion and Bond To Substrate: [____] psi ([____] kPa).

Compressive Strength: [____] psi ([____] kPa).

Density: [________] lb/cu ft ([________] kg/cu m).

Surface Durability: [________________.]

Vapor and Air Permeability: [____] perms ([____] ng/(Pa.s.sq m].

Durability and Longevity: [Permanent.] [________.]

Side Effects During Installation: [Non-toxic.] [________.]

Long Term Side Effects: [None.] [________.]

Primer: Type recommended by firestopping manufacturer for specific substrate surfaces.

ACCESSORIES

Dam Material: [Mineral fiberboard] [Mineral fiber matting] [Sheet metal] [Plywood or particle board] [Alumina silicate fire board] [________________], [permanent.] [removable.]

Retainers: [________] clips to support [mineral fiber matting.] [________________.]

FINISHES

Color:	[Dark gray.] [Black.] [________.]

PART 3 EXECUTION

EXAMINATION

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

Verify that openings are ready to receive the Work of this Section.

PREPARATION

Clean substrate surfaces of dirt, dust, grease, oil, loose material, or other matter which may affect bond of firestopping material.

Remove incompatible materials which affect bond.

[Install backing materials to arrest liquid material leakage.]

APPLICATION

Apply [primer and] materials in accordance with manufacturer's instructions.

Apply firestopping material [in sufficient thickness to achieve rating] [to a thickness of [____] inches ([____] mm)] to uniform density and texture.

Install material at walls or partition openings which contain penetrating sleeves, piping, ductwork, conduit and other items requiring firestopping.

[Remove dam material after firestopping material has cured.] [Dam material to remain.]

CLEANING

Clean Work under provisions of Section [01700.] [_____.]

Clean adjacent surfaces of firestopping materials.

PROTECTION OF FINISHED WORK

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

Protect adjacent surfaces from damage by material installation.

SCHEDULES

LOCATION	FIRE RATING

Main floor fire walls	1 hour

Stair walls	2 hours

Room to room partitions	3/4 hour

END OF SECTION