Materials Used For Flat Roofs

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.

Materials used for flat roofs.

Also used but less common are lead zinc and stainless steel. Spray polyurethane foam spf 4. Once made of tar paper these types of roofs gradually are using more advanced materials such as fiberglass membranes. Built up roof bur membranes commonly known as bur built up roof membranes have been in use for more than a century.

Here are various types of roofing materials for flat roofs. High performing commercial roofing material types pvc roofing. Traditional tar and gravel also known as built up roofing or bur three or more alternating layers of waterproof material and hot tar capped with a layer of smooth stone. That being said flat roof systems such as pvc tpo epdm rubber and others each have their distinct pros and cons.

For many projects pvc roofing is our preferred choice as the best flat roof material on the market. Thermoplastic polyolefin tpo 3. Metal roofing materials include galvanized iron copper aluminum and terne plate steel coated with lead and tin. If used on flat roofs they are commonly either soldered or welded while on pitched roofs they are attached with either nails or screws of the same metal.

Ethylene propylene diene monomer a common use is in vehicles. What that means in a nutshell is that your traditional roofing materials such as asphalt shingles concrete tiles and corrugated metal are out of the window. Door seals window seals trunk seals and. Different types of flat roof material options single layer membrane roof.

Installation cost materials pros cons types of flat roofs. The membrane roof is the latest roofing technology and is also the roof of choice in. The traditional hot tar and gravel roof is built from three or more plies of waterproof material alternated with hot tar and ballasted by a layer of smooth river stone. The three types of flat roofing materials are.

A commercial standing seam metal roof is the ideal choice for a building with a roof slope greater than 2. Epdm ethylene propylene diene monomer pvc polyvinyl chloride and tpo thermoplastic. Thermoplastic olefin tpo is used for roofs because it does not degrade easily under ultraviolet radiation a. 2020 flat roof guide.

Ethylene propylene diene monomer epdm 2. Epdm rubber installed on a flat roof by gemtile. Green roof system 6. Specifically the common types of flat roof materials used by commercial or residential roofing companies in toronto include.