2 Ply Modified Bitumen Roofing

Modified bitumen 2 ply membrane.

2 ply modified bitumen roofing.

Commercial roofing metal roofs modified bitumen and high performance building envelope solutions from the garland company. Astm e 1592 physical testing was performed on three test roof assemblies in. Following are some photos of a recent 2 ply modified bitumen membrane roofing system installation along with new eavestrough gutters installed by toronto roofing ca. Modified bitumen roof systems can be installed with the common torch method asphalts or cold adhesives.

Two of the commercial flat roof systems commonly found in the northeast are modified bitumen and thermoplastic polyolefin tpo. Bitumen roofing is also available in 1 2 or 3 ply. Osb roof sheathing 7 16 inch thick approximate weight. Modified bitumen roofing has been around since the 1970s when it was developed to address ongoing issues with traditional asphalt roofs.

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. To minimize the chance of roofing system failures always remember to consider the quality of material being used. There are two types of modified bitumen membranes app and sbs. A standard sbs modified bitumen roof system is a two ply system applied in rolls that overlap the edge of the previous roll.

Ice and water shield self adhering. Gypsum roof board 1 2 inch thick. Many of our commercial roofing customers do not know the differences between modified bitumen and single ply roofing systems. Get to know more about one of the most popular commercial roofing systems.

Both can be used on commercial roofs and the best choice often depends on the business owners roofing needs and goals. Wind uplift is a primary concern when installing a retrofit single ply roof system rsprs over a structural metal panel roof. Apa the engineered. 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 no insulation specification 402 2 two ply insulation non nailable decks specification 403 no insulation.

Tpo roofs have been around since the 1990s. Learn about modified bitumen sbs roofing systems.