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Membrane application requirements such as endlap and sidelap widths, number and order of plies and flashing details are the same for both hot and cold applications.

Interply or Mid-ply Application If the Flintlastic SBS modified bitumen specification calls for interply layers, begin membrane application by unrolling the roll and aligning the sidelaps. Re-roll the roll halfway. Standing on the unrolled portion to prevent shifting, begin hot asphalt application* to the substrate at the rate of 25 lbs./100 ft2. Do not apply asphalt more than 6' in front of the roll at any time to prevent premature cooling. Overlap subsequent rolls with appropriate sidelaps and endlaps as specified in the CertainTeed Commercial Roof Systems Manual for the Flintlastic SBS modified bitumen product being used.

Cap Sheet Application Begin Flintlastic SBS modified bitumen membrane cap sheet application by unrolling the roll and aligning the sidelaps. Re-roll the roll halfway. Standing on the unrolled portion to prevent shifting, begin hot asphalt application* to the substrate at the rate of 25 lbs./100 ft2. Do not apply asphalt more than 6' in front of the roll at any time to prevent premature cooling.

Overlap Flintlastic Cap sheet endlaps a minimum of 6" (Note: cut endlap corners as shown on page 20)

Overlap subsequent rolls with 3" sidelaps and 6" endlaps. Cap sheet sidelaps must be staggered from the interply sidelaps. Endlaps must be staggered a min. of 3' apart.

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