Materials Used For Flat Roofs

There are mainly three types of flat roof materials commonly used for flat roofs.

Materials used for flat roofs.

This video explain the three commonly flat roof materials used. These materials are mostly made up of several alternating layers of bitumen and reinforcing fabrics roofing felts or ply sheets that form a roof membrane. This may explain why only a few buildings these days don t use modified bitumen. This is why most flat roofs use large squares or single sheets of materials.

These roofs are installed as thin sheet materials 0 030 30 mils to 0 060 inches 60 mils thick and are applied to the roof in a single layer. In general materials used on flat roofs cost less than ones used on sloped ones. Therefore they make an environmentally friendly choice. The three types of flat roofing materials are.

Pros and cons for flat roof materials 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. Epdm rubber ethylene propylene diene monomer a common use is in vehicles. Pvc is 1 90 per sq foot. To maximize the performance of this roofing material skilled contractors are needed.

Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. Commonly known as bur built up roof membranes have been in use for more than a century. These roofing materials for flat roofs can be recycled. Modified bitumen and rolled asphalt roofs cost 1 30 2 20 per sq foot depending on the number of plies.

Built up roof bur membranes. Door seals window seals trunk seals and sometimes hood seals the synthetic rubber is also used for flat roofs. In some cases a homeowner may choose an option such as a self adhering membrane residential roof system which offers the multi layer protection of a membrane roof with the traditional granule look of a shingled or built up roof. Being made of synthetic rubber or polymer they are flexible and elastic and can handle temperature changes and some impact types better than built up roofs.