2 Ply Modified Bitumen Roofing Details

Developed in europe in the mid 1960s modified bitumen roofing has been used in canada and the united states since about 1975.

2 ply modified bitumen roofing details.

High quality sbs rubber and asphalt blend. 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. Get to know more about one of the most popular commercial roofing systems. Lends elasticity and flexibility to the sheet.

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. Wind uplift is a primary concern when installing a retrofit single ply roof system rsprs over a structural metal panel roof. Firestone sbs modified bitumen roofing systems incorporate a synthetic rubber based technology which yields exceptional flexibility even in extremely low temperatures. Bitumen roofing is also available in 1 2 or 3 ply.

Learn about modified bitumen sbs roofing systems. 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. Multi ply sbs modified bitumen roofing lightweight insulating concrete paradiene 20 30 nvs insulation. Sbs modified bitumen construction details.

A standard sbs modified bitumen roof system is a two ply system applied in rolls that overlap the edge of the previous roll. The drawings linked on this page are intended to represent a variety of sbs modified bitumen membrane roof system applications while remaining generic with regards to manufacturers specific application specifications. To minimize the chance of roofing system failures always remember to consider the quality of material being used. Astm e 1592 physical testing was performed on three test roof assemblies in.

Modified bitumen roof systems can be installed with the common torch method asphalts or cold adhesives. Dynamax smooth is used as a premium fiber glass polyester reinforced modified bitumen base ply or cap sheet in a variety of multi ply roofing systems. 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.