Nodified Bitimin Roof

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Nodified bitimin roof.

It is made up of a bitumen covered membrane which is composed of either. At one time built up roofs burs. The 2 part system consists of a base layer and a cap layer. But flat roof is a convenient term for a class of multimembrane systems with very shallow pitches.

Modified bitumen flat roofs this manufactured asphalt based flat roofing is durable resistant to damage and easy to repair. Developed in europe in the mid 1960s modified bitumen roofing has been used in canada and the united states since about 1975. The base layer provides waterproofing and a surface for the cap to bond to. 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.

Modified bitumen was developed in europe during the 1960s and it is a rendition of the old built up roofing bur system. 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. 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.