Flat Roof Modified Bitumen

This combination results in maximum durability.

Flat roof modified bitumen.

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. Pros and cons for flat roof materials. Built up roof bur modified bitumen roof mbr and rubber membrane roof epdm. Flat roofs were once exclusively the province of professionals but new materials enable do it yourselfers to install flat roofs.

Modified bitumen roofing. Bitumen roof advantages and disadvantages. A modified bitumen flat roof is composed of asphalt that is reinforced with fiberglass material and other modifiers. Advantages there are a wide range of methods available for installing modified bitumen roofing from using a hot torch to using a sealant backed peel and stick rolls.

Bur consists of many layers. One of the longer lasting roofing options for flat roofs is bitumen roofing or a modified bitumen roof. They come in rolls that workers apply using hot and cold temperatures. 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. Modified bitumen sbs roofing systems. 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. 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. 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 roof application modified bitumen roofs are single ply systems that are most often roll applied to the roof surface.

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. It s suitable for multiple types of decks and shows proven performance. Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you. Offers great flexibility impact resistance strength and system compatibility.