2 Ply Modified Bitumen Roofing Thickness

8 2 test data 3 modified bitumen roofing membranes 6 1 new roofs dibiten poly 4 poly 5 specifications nailable decks specification 401 no insulation specification 402 insulation specification 401 2 two ply.

2 ply modified bitumen roofing thickness.

Multi ply modified bitumen roofing systems providing extra protection for your roofthe primary benefit of a bituminous roof system is a thick assembly comprised of multiple layers. Modified bitumen 2 ply membrane 2 0 lbs 200 lbs 9 8 kg siplast osb roof sheathing 7 16 inch thick approximate weight 1 4 lbs 140 lbs 6 84 kg apa the engineered wood association perlite board insulation cover board. 2 ply rubber roofing membrane is about five quarters in thickness about 3 8 and puncture resistant rubber roofing surface has embedded granular ceramics that protect against harmful uv degradation seams are torch fused together to prevent seam separation. The manufacturer must ensure that a suitable degree of compatibility exists between the bitumen and the polymer and that a thorough mix has been.

Bitumen is most commonly modified with styrene butadiene styrene sbs. Modified bitumen roofing membranes 55 6 4 u l. Bitumen roofing is also available in 1 2 or 3 ply. Learn about the variety of installation methods and roofing system options including bur built up roof sbs and app.

If your roof is situated in an area where punctures from sharp or falling objects like large branches are a concern it is advisable to select a thicker. Listed specifications single ply membrane systems unless otherwise specified the insulation and base sheet are mechanically fastened to the deck. The thickness of tpo single ply membranes varies from about 40 to 80 mils. Multi ply systems allow those responsible for.

Compared with single ply membranes which are applied in one layer of 40 80 mils thickness fireguard sbs systems are applied in 2 3 ply applications ranging in thickness from 220 mils to 300 mils.