Nodified Bitimin Roof

At one time built up roofs burs.

Nodified bitimin roof.

Modified bitumen roofs have a lot of advantages over other types of membrane roofing and are often seen as the modern alternative to the built up roof. Get free shipping on qualified sbs modified bitumen roll roofing or buy online pick up in store today in the building materials department. Modified bitumen was developed in europe during the 1960s and it is a rendition of the old built up roofing bur system. Modified bitumen is a type of asphalt product that can be applied in a number of ways to the roof in both hot and cold temperatures.

The base layer provides waterproofing and a surface for the cap to bond to. Developed in europe in the mid 1960s modified bitumen roofing has been used in canada and the united states since about 1975. No roof should be completely flat or it won t shed water. But flat roof is a convenient term for a class of multimembrane systems with very shallow pitches.

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. It is made up of a bitumen covered membrane which is composed of either. The 2 part system consists of a base layer and a cap layer.