Modified bitumen roofing has been around since the 1970s when it was developed to address ongoing issues with traditional asphalt roofs.
2 ply mod bit roofing.
Modified bitumen 2 ply membrane.
In the late 1960s siplast research and development working in conjunction with shell chemical of europe developed sbs styrene butadiene styrene modified bitumens.
Osb roof sheathing 7 16 inch thick approximate weight.
Apa the engineered.
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.
Wind uplift is a primary concern when installing a retrofit single ply roof system rsprs over a structural metal panel roof.
Multi ply sbs modified bitumen systems.
Firestone sbs modified bitumen roofing systems incorporate a synthetic rubber based technology which yields exceptional flexibility even in extremely low temperatures.
This form of roofing does not eliminate the need for insulation or proper drainage.
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.
Specification r406 2 two ply dibiten poly 4 poly 5 specification r456 2 r456 2 fr two ply poly 4 poly 4 5.
This technology was applied to the design of our two ply engineered roof systems in which the.
Two of the commercial flat roof systems commonly found in the northeast are modified bitumen and thermoplastic polyolefin tpo.
Mod bit roofing is considered a single ply roof system although there are layers involved in mod bit roofing because of the base sheet or recommended underlayment it is considered a singly ply not a built up roofing system.
Gypsum roof board 1 2 inch thick.
To minimize the chance of roofing system failures always remember to consider the quality of material being used.
Ice and water shield self adhering.
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.
Bitumen roofing is also available in 1 2 or 3 ply.
Multi ply sbs modified bitumen systems.