Steps For A Modified Flat Roof

Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you.

Steps for a modified flat roof.

A flat roof is not flat it just has a very low slope. Pros and cons for flat roof materials. To properly identify a modified bitumen roof you can look at the featured image of this post or the pictures below. Just because a roof is classified as a flat roof that is a roof with a slope of less the 2 12 does not mean it is a modified bitumen roof.

It is an evolution of asphalt roofing and is easy to install compared to the older style of tar and gravel. Today s variety of flat or low slope commercial roofing options roof pitches ranging from 12 to 3 12 is no longer simple and has grown considerably in the last 50 years. A bottom layer or two of insulation board multiple intermediate layers of tar or asphalt alternated with layers of roofing felt and a top layer of gravel. Built up roofing bur was the most common type of flat roof before modified bitumen and membrane roofing were developed.

If your flat roof is covered with gravel you will likely need to hire a professional to reroof it. Built up roof bur modified bitumen roof mbr and rubber membrane roof epdm. Basic steps of modified bitumen roofing installation modified bitumen roofing is a form of membrane flat roofing. All three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof.

Flat roofs were once exclusively the province of professionals but new materials enable do it yourselfers to install flat roofs.