2 Ply Modified Bitumen Roofing Details

Wind uplift is a primary concern when installing a retrofit single ply roof system rsprs over a structural metal panel roof.

2 ply modified bitumen roofing details.

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. High quality sbs rubber and asphalt blend. Learn about modified bitumen sbs roofing systems. Stucco wall replacement roofing sbs 10 3 1 4 perimeter.

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. 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. Lends elasticity and flexibility to the sheet. Sbs modified bitumen construction details.

To minimize the chance of roofing system failures always remember to consider the quality of material being used. 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. Bitumen roofing is also available in 1 2 or 3 ply.

Astm e 1592 physical testing was performed on three test roof assemblies in. Get to know more about one of the most popular commercial roofing systems. Multi ply sbs modified bitumen roofing lightweight insulating concrete paradiene 20 30 nvs insulation. The elongation and recovery properties allow the product to easily accommodate the continual expansion.

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. Developed in europe in the mid 1960s modified bitumen roofing has been used in canada and the united states since about 1975. Modified bitumen roof systems can be installed with the common torch method asphalts or cold adhesives.