Asphalt Flat Roof Covering

Cost roughly a 20 30 more than a torch on roof see our flat roof pricepage.

Asphalt flat roof covering.

We ve also shared a few steps on how to apply it to your own roof. It consists of multiple layers of tarpaper rolled in asphalt and applied to the roof. Data and information is provided for information purposes only and is not intended for trading purposes. There are many different types of flat roof coverings mineral felt torch on felt mastic asphalt grp and fibreglass pvc single ply membrane tpo single ply membrane thermoplastic polyolefin and epdm single ply membrane elastometric membranes.

No roof should be completely flat or it won t shed water. I ve seen and worked on many asphalt roofs that are at least 40 years old. Owens corning deckseal sa sbs cap 39 375 ft w x 32 833 ft l 100 sq ft shasta white roll roofing. Modified bitumen roofs use an asphalt membrane as the base of the roof itself.

But flat roof is a convenient term for a class of multimembrane systems with very shallow pitches. The roof felt asphalt tar layering is repeated in overlapping layers until the assembly is two to fours plies in thickness. Asphalt is heated in an asphalt boiler and laid while still hot onto the roof trowelled into shape and cools to form a very hard durable roof. A wear surface of finely crushed stone granules is usually applied to the top layer of hot tar to protect the built up roof assembly from uv light and weather.

Built up roofs are manufactured using built up layers of either tar saturated paper and liquid tar with gravel asphalt rolled asphalt or modified bitumen. Tar and gravel 2. Flat roof covering membranes on greenspec. Twin home experts review on sure coat white reflective coating system for flat roofs.

There are many different types of flat roof coverings here s a breakdown of them. At one time built up roofs burs once represented half of all flat roof coverings. Burs consisted of alternative layers of heavy building paper and hot tar. The rolled asphalt roof covering is similar to putting asphalt shingles on your roof.

This surface is susceptible to cracking and blistering which reduces the typical lifespan to just 10 to 15 years.