Bitumen Asphalt Flat Roof

Built up roofs are installed using several layers of a special type of roofing felt that has been asphalt impregnated and embedded in bitumen applied with a hot mop.

Bitumen asphalt flat roof.

This could mean flat roofs may not raise the same red flags they used to. Asphalt flat roof construction repair and replacement with an epdm rubber roofing membrane. One of the longer lasting roofing options for flat roofs is bitumen roofing or a modified bitumen roof. Development modified bitumen was developed because oil refineries had figured out ways to use more products from crude oil.

Materials such as layers of fiberglass or polyester are added to the asphalt to add strength to a flat roof. But now flat roofs often are constructed with fewer layers because of improved waterproofing technology. Modified bitumen roofs use an asphalt membrane as the base of the roof itself. The hot applied asphalt or coal tar pitch blends with the bitumen soaked roof felt and creates a monolithic roof membrane.

The resulting asphalt by product was of lower quality. The good news is a longer lasting roofing material has a lower environmental impact. Some observers suggest it s harder to replace a flat roof than a traditional pitched shingle roof because of the labor required to remove its layers especially on older flat roofs. 5 tell tale signs it s time to repair or replace your asphalt or felt flat roof.

While the lifespan is less than the more advanced options the price point alone can make modified bitumen one of the best flat roof materials for some. Firestone building products manufactures traditional built up systems modified bitumen membrane systems hybrid built up and modified bitumen systems. They have a proven track record that can be counted on. Flat roofs are hard to replace.

Modified bitumen roofing is a roofing asphalt. An epdm rubber roof can be bonded to asphalt but this depends on the rubber membrane system you are using. Bitumen roof advantages and disadvantages. Bitumen roofs have been around for a long time.

Firestone asphalt roofing delivers exceptional performance on flat and low slope commercial roofs in even the most extreme climates and applications. This surface is susceptible to cracking and blistering which reduces the typical lifespan to just 10 to 15 years. Modified bitumen an asphalt based multi ply flat roofing system is considered a modern take on its close cousin bur or built up roof. Modified bitumen is installed in multiple layers multi ply roof each of which is torched to the surface below at every turn of the roll.