2 Ply Modified Bitumen Roofing Details

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 details. Learn about the variety of installation methods and roofing system options including bur built up roof sbs and app. Bitumen roofing is also available in 1 2 or 3 ply. A standard sbs modified bitumen roof system is a two ply system applied in rolls that overlap the edge of the previous roll. Modified bitumen roof systems can be installed with the common torch method asphalts or cold adhesives.
Developed in europe in the mid 1960s modified bitumen roofing has been used in canada and the united states since about 1975. Roofing details roofing details roofing multi ply sbs modified bitumen paradiene 20 30 rigid insulation description pdf dwg curb insulated curb expansion joint roof to roof paraguard expansion joint roof to roof. It was developed as a means to improve roofing membranes when product quality was affected by the use of a lower quality crude oil by product. Available in a variety of thicknesses in smooth and granule surfaces sbs membranes may be installed in hot asphalt cold adhesive or may be heat welded.
Asphaltic roofing solutions 101 asphalt is one of the oldest roofing technologies still in use today and it is a reliable solution for both residential and commercial roofing needs. The 1 ply material is not durable and if used can pose certain problems such as breaking down prematurely while the 2 and 3 ply material roofs cost significantly more to install which can make this one of the most costly types of flat roofing products around. Firestone sbs modified bitumen roofing systems incorporate a synthetic rubber based technology which yields exceptional flexibility even in extremely low temperatures.