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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.
