Flat Roof Felt Types
This flat roofing dominates the market because it s affordable and strong.
Flat roof felt types. Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. Neoprene polychloroprene epdm ethylene propylene diene monomer pvc polyvinyl chloride chlorinated polyethylene and chlorosulfonated polyethylene sheets. The longevity of the roof depends on the quality of the materials used. Built up roof bur the traditional hot tar and gravel roof is built from three or more plies of waterproof material alternated with hot tar.
There are many different types of flat roof coverings here s a breakdown of them. Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system. Pros and cons for flat roof materials. Ethylene propylene diene monomer epdm epdm is classified as rubber roofing.
Bituminous felt is a form of waterproof sheeting that is used to cover flat roofs or as an underlay beneath slate or tile roofing. In the traditional poor and roll process bitumen is supplied in blocks broken up and heated on site in a boiler until molten. Built up felt roofing consists of two to three layers of bitumen sheet that have been bonded together. Bitumen felt flat roofs are affordable in price and provide a great waterproofing result.
Single layer membrane roof. The different types of flat roofing products. Item 656632 model 0903000. Compared to older roofing systems epdm weighs lighter.
This can include epdm rubber and fibreglass talked about above but commonly especially in the trade and in this article it refers to pvc tpo tpe and pib. Conclusions on felting a flat roof. A built up roof bur sometimes called a tar and gravel roof is a tried and true style of flat roof. There are many different types of.
The substance itself is made from bitumen which comes from the distillation of crude oil that has been either mixed with sand or crushed limestone. If you are thinking about refelting a roof or replacing a layer of felt take care that you use the appropriate type of roof felt and adhesive. In short any roof covering that can make a flat roof waterproof in one layer unlike roofing felt with its 3 layer system for instance.