Flat Roof Modified Bitumen

Modified bitumen roofing.

Flat roof modified bitumen.

Bur consists of many layers. Pros and cons for flat roof materials. Modified bitumen sbs roofing systems. It s suitable for multiple types of decks and shows proven performance.

Modified bitumen an asphalt based multi ply flat roofing system is considered a modern take on its close cousin bur or built up roof. Flat roofs were once exclusively the province of professionals but new materials enable do it yourselfers to install flat roofs. Offers great flexibility impact resistance strength and system compatibility. Bitumen roof advantages and disadvantages.

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. 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. They come in rolls that workers apply using hot and cold temperatures. Modified bitumen cap sheet roofing was developed in the 1960s as a replacement technology for bur or built up roofing by using the proven technology of bur but also adding polymer reinforced roof wear layers or cap sheets.

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. 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. 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.

A modified bitumen flat roof is composed of asphalt that is reinforced with fiberglass material and other modifiers. One of the longer lasting roofing options for flat roofs is bitumen roofing or a modified bitumen roof. Built up roof bur modified bitumen roof mbr and rubber membrane roof epdm. There are three application methods including heat welded cold adhesive and hot asphalt.

If the surface is smooth you may be able to reroof using sheets of modified bitumen or epdm rubber roofing. They are similar to asphalt roofs but they have additional polymers in their materials that provide added protection from the elements and help in increase the lifespan of the product. Modified bitumen roofing was designed for use on buildings that have a low slope or flat roof. Modified bitumen roof application modified bitumen roofs are single ply systems that are most often roll applied to the roof surface.