Flat Roofing Membrane Materials

Pvc is 1 90 per sq foot.

Flat roofing membrane materials.

Flat roof materials explained. Rubber membranes are part of most flat roofs. Pvc roofs are especially strong and durable featuring a minimum breaking point of 300 pounds per inch compared to the industry recommended 200 ppi. Epdm is 1 50 per sq foot making it the cheapest single ply membrane.

Epdm is classified as rubber roofing. There are generally 5 to 6 different routes to take regarding the materials needed for roofing a flat surface. Door seals window seals trunk seals and sometimes hood seals. There are three types of roofing systems used for rubber membrane roofs.

This lightness eliminates the need for owners to use reinforcement for their roof decks. Compared to older roofing systems epdm weighs lighter. The materials on flat roofs are mostly rubber. Modified bitumen torch down roofing.

The three types of flat roofing materials are. Pvc single ply membrane arguably the most popular of all flat roofing materials some contractors even install only pvc membranes for higher end residential installations pvc membranes are a single layer of thermoplastic material. This flat roofing dominates the market because it s affordable and strong. Common flat roof membranes discussed in this article include built up asphalt tar and gravel modified bitumen and single ply membranes like epdm pvc tpo and kee.

Of all these membrane types epdm synthetic rubber is the most common single ply membrane roof material in both residential and commercial use. Modified bitumen and rolled asphalt roofs cost 1 30 2 20 per sq foot depending on the number of plies. Pvc roofs are specifically engineered for strength ensuring the membrane s long service life. Tpo is 1 70 per sq foot.

We also cover spray applied foam and liquid roofing options. Although tpo is a vinyl type of material we will also include it as part of this article. Built up roof bur modified bitumen roof mbr and rubber membrane roof epdm. Membrane roofing is often used on commercial flat roofs.

The american society of testing and materials astm requires a roofing membrane to have a minimum breaking strength of 200 pounds per inch. It has the advantage of multiple layers but needs fewer layers than built up roofing and is less messy to apply. 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. Ethylene propylene diene monomer a common use is in vehicles.

In general materials used on flat roofs cost less than ones used on sloped ones. Pvc roofing membranes far surpass this standard all having a minimum breaking strength of 350 pounds per inch. This flat roofing material is popular because it uses trusted weatherproofing materials asphalt reinforced with polymers.