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Complete Compiled Specification.pdf - Peck Ormsby Construction

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2.02 ROOFING MEMBRANE PLIES<br />

A. Ply Sheet: ASTM D 2178, Type VI, asphalt-impregnated, glass-fiber felt.<br />

B. Cap Sheet: ASTM D 3909, mineral surfaced, asphalt-impregnated, glass fiber felt.<br />

1. Granule Color: White.<br />

2.03 FLASHING MATERIALS<br />

A. Backer Sheet: ASTM D 2178, Type VI, asphalt-impregnated, glass-fiber felt.<br />

B. Flashing Sheet: ASTM D 6162, Type I and II, composite polyester- and glass-fiberreinforced,<br />

SBS-modified asphalt sheet; granular surfaced; suitable for application<br />

method specified and as follows:<br />

1. Granule Color: White<br />

2.04 ASPHALT MATERIALS<br />

A. Roofing Asphalt: ASTM D 312, Type III or IV as recommended by built-up roofing<br />

system manufacturer for application.<br />

2.05 AUXILIARY ROOFING MEMBRANE MATREIALS<br />

A. General: Auxiliary materials recommended by roofing system manufacturer for<br />

intended use and compatible with built-up roofing.<br />

B. Asphalt Roofing Cement: ASTM D 4586, asbestos free, of consistency required by<br />

roofing system manufacturer for application.<br />

C. Mastic Sealant: Polyisobutylene, plain or modified bitumen, non-hardening, nonmigrating,<br />

non-skinning, and non-drying.<br />

D. Fasteners: Factory-coated steel fasteners and metal or plastic plates meeting<br />

corrosion-resistance provisions in FM 4470; designed for fastening roofing<br />

membrane components to substrate; tested by manufacturer for required pullout<br />

strength; acceptable to roofing system manufacturer.<br />

E. Metal Flashing Sheet: Metal flashing sheet is specified in Division 7 Section<br />

“Flashing and Sheet Metal.”<br />

F. Miscellaneous Accessories: Provide miscellaneous accessories recommended by<br />

roofing system manufacturer.<br />

G. Gravel: Comply with ASTM D 1863.<br />

1. Provide gravel of similar size as existing roof.<br />

2. Do not re-use existing gravel unless approved by the Owner.<br />

2.06 ROOF INSULATION<br />

A. General: Provide performed roof insulation boards that comply with requirements<br />

and referenced standards, selected from manufacturer’s standard sizes, except that<br />

maximum size of insulation board shall be 4’ x 8’.<br />

SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDITION MARCH 2, 2009<br />

BUILT-UP ASPHALT ROOFING 07511 - 5

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