7550 Guide Specifications:

Modified Bitumen/Cap Sheet Roof System

II. PRODUCTS

A. Sheet Materials

1. Dry Sheathing Paper: Red rosin paper, unsaturated.

2. Base Sheet: ASTM D 4601, Type II, GlasBase, asphalt saturated and coated fiber glass base sheet.

3. Base Sheet: ASTM D 4897, Type II, Ventsulation Felt.

4. SBS Modified Bitumen Base Sheet: DynaBase, consisting of a fiber glass mat covered on both sides with SBS modified asphalt.

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

6. Mineral Surfaced SBS Cap Sheet: DynaKap FR, SBS modified asphalt roll roofing incorporating a layer of fiber glass mat and polyester mat covered on both sides by SBS modified asphalt surfaced with mineral granules.

7. Mineral Surfaced SBS Cap Sheet: DynaGlas FR, SBS modified asphalt roll roofing incorporating a layer of fiber glass mat covered on both sides with an SBS modified asphalt and surfaced with mineral granules.

8. Mineral Surfaced SBS Cap Sheet: DynaLastic 250 FR, SBS modified asphalt roll roofing incorporating a layer of polyester mat covered on both sides with an SBS modified bitumen asphalt and surfaced with mineral granules.

9. SBS Flashing Sheet: DynaFlex, an SBS modified asphalt roll roofing incorporating a layer of fiber glass scrim sandwiched between two polyester mats, covered on both sides by SBS modified asphalt surfaced with mineral granules.

B. Bituminous Materials

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

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

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

4. Modified Flashing Cement: MBR Flashing Cement, two-component, elastomeric adhesive specially formulated to be compatible with SBS modified products.

C. Insulation Materials

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 Board (Fiber Glass); [____] inch ([___]mm) thick; square edges; ‘R’ factor of [___]; supplied by JM.

* * * * and/or * * * *

3. 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 * * * *

4. 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 * * * *

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.