7510 Guide Specifications:

Asphalt, Gravel Surfaced, Built-Up Roof System

II. PRODUCTS

A. Sheet Materials

1. Glass Fiber Felts: ASTM D 2178, Type [VI] [IV]. [GlasPly Premier.] [GlasPly IV.]

2. Base Sheet: ASTM D 4897, Type II Vented Asphalt Saturated and Coated Inorganic Base Sheet, JM Ventsulation Felt.

3. Base Sheet: ASTM D 4601, Fiber Glass Base Sheet, [JM GlasBase] [PermaPly 28] [GlasBase Plus].

4. Dry Sheathing Paper: [Clean, white cellulose] [Red rosin] paper, unsaturated.

B. Bituminous Materials

1. Asphalt Bitumen: ASTM D 312, Type [II.] [III.] [IV.]

2. Asphalt Primer: ASTM D 41, JM Concrete Primer.

3. Plastic Cement: ASTM D 4586, Type II, cutback asphalt type, JM Bestile Industrial Roof Cement.

C. Insulation

1. Insulation: Fesco Board; ASTM C 728; expanded perlite mineral aggregate board; [_____] inch ([_____] mm) thick; 10% Consolidation, 35 psi; ‘R’ factor of [_____]; square edges; [factory-tapered thickness;] supplied by JM. * * * * and/or * * * *

2. Insulation: Fiber Glass Roof Insulation; ASTM C 726; Mineral fiber roof insulation (fiber glass) board; [____] inch ([____]mm) thick; ‘R’ factor of [____]; square edges; supplied by JM. * * * * and/or * * * *

3. Insulation: E’NRG’Y 2; (ASTM C 1289) polyisocyanurate rigid board; [_____] inch ([_____] mm) thick; R’ factor of [_____]; square edges; [factory-tapered thickness;] supplied by JM. * * * * and/or * * * *

4. Insulation: Fesco Foam; FS-HH-I-1972/Gen and FS HH-I-1972/3, Composite product of two material lamination design with top layer of polyisocyanurate foam and bottom layer of perlite, factory bonded; [______] inch ([_____] mm) thick; square edges; ‘R’ factor of [_____]; supplied by JM. * * * * and/or * * * *

5. Insulation: 1/2 " Retro-Fit Board, (ASTM C 728) 1/2 inch (13 mm) high density homogeneous panel composed of expanded perlite blended with selected binders and fibers, ‘R’ factor of 1.32, supplied by JM.

D. Flexible Flashings

1. Sheet Flashing: Rubber modified bitumen sheet containing two polyester mats and a fibrous glass mesh; DynaFlex manufactured by JM. Flashing specifications as listed in the current JM specification manual.

E. Roof Surfacing

1. Asphalt: ASTM D 312.

2. Aggregate: ASTM D 1863; sound, hard, dry and clean stone.