Bitumen Asphalt Flat Roof

Asphalt flat roof construction repair and replacement with an epdm rubber roofing membrane.

Bitumen asphalt flat roof.

Modified bitumen roofs use an asphalt membrane as the base of the roof itself. But now flat roofs often are constructed with fewer layers because of improved waterproofing technology. Bitumen roof advantages and disadvantages. This could mean flat roofs may not raise the same red flags they used to.

They have a proven track record that can be counted on. Flat roofs are hard to replace. Firestone asphalt roofing delivers exceptional performance on flat and low slope commercial roofs in even the most extreme climates and applications. 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.

Owens corning deckseal sa sbs cap 39 375 ft w x 32 833 ft l 100 sq ft shasta white roll roofing. It cannot be bonded to uneven surfaces such as shingles as this hinders the membrane from successfully bonding onto the surface. Bitumen roofs have been around for a long time. The resulting asphalt by product was of lower quality.

5 tell tale signs it s time to repair or replace your asphalt or felt flat roof. Development modified bitumen was developed because oil refineries had figured out ways to use more products from crude oil. This surface is susceptible to cracking and blistering which reduces the typical lifespan to just 10 to 15 years. Modified bitumen roofing is a roofing asphalt.

The hot applied asphalt or coal tar pitch blends with the bitumen soaked roof felt and creates a monolithic roof membrane. 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. 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. Materials such as layers of fiberglass or polyester are added to the asphalt to add strength to a flat 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. The good news is a longer lasting roofing material has a lower environmental impact. Modified bitumen an asphalt based multi ply flat roofing system is considered a modern take on its close cousin bur or built up roof. Firestone building products manufactures traditional built up systems modified bitumen membrane systems hybrid built up and modified bitumen systems.