Flat Roofing Membrane Materials

So all you need to be able to say to your roof contractor is you want an epdm rubber roof.

Flat roofing membrane materials. 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. Pvc roofing membranes far surpass this standard all having a minimum breaking strength of 350 pounds per inch. Pvc is 1 90 per sq foot. This lightness eliminates the need for owners to use reinforcement for their roof decks.

The materials on flat roofs are mostly rubber. Flat roof materials explained. Pvc roofs are specifically engineered for strength ensuring the membrane s long service life. Membrane roofing is often used on commercial flat roofs.

This flat roofing dominates the market because it s affordable and strong. It has the advantage of multiple layers but needs fewer layers than built up roofing and is less messy to apply. Epdm is 1 50 per sq foot making it the cheapest single ply membrane. Door seals window seals trunk seals and sometimes hood seals.

This flat roofing material is popular because it uses trusted weatherproofing materials asphalt reinforced with polymers. Rubber membranes are part of most flat roofs. 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. Modified bitumen and rolled asphalt roofs cost 1 30 2 20 per sq foot depending on the number of plies.

Pvc roofs are especially strong and durable featuring a minimum breaking point of 300 pounds per inch compared to the industry recommended 200 ppi. Although tpo is a vinyl type of material we will also include it as part of this article. Compared to older roofing systems epdm weighs lighter. The american society of testing and materials astm requires a roofing membrane to have a minimum breaking strength of 200 pounds per inch.

We also cover spray applied foam and liquid roofing options. Thermoplastic olefin tpo is used for roofs because it does not degrade easily under ultraviolet radiation a common problem with nylons. 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. In general materials used on flat roofs cost less than ones used on sloped ones.

Modified bitumen torch down roofing. Built up roof bur modified bitumen roof mbr and rubber membrane roof epdm. Epdm is classified as rubber roofing. Ethylene propylene diene monomer a common use is in vehicles.

The three types of flat roofing materials are. There are three types of roofing systems used for rubber membrane roofs. There are generally 5 to 6 different routes to take regarding the materials needed for roofing a flat surface.