Sloped Foam For Flat Roof

Spray polyurethane foam spf is the only roofing material that has no seams.

Sloped foam for flat roof.

A roof over a vented unconditioned attic does not need to include any insulation. Here are three reasons why. Tapered expanded polystyrene eps roof insulation was developed more than 30 years ago with a dual purpose in mind. Consult with a roofing contractor to determine which roofing option is best for your.

It s the first intelligent roofing technology for flat and low sloped roofs combining insulation and roofing into one material. Dual purpose structural deck and insulating planks. To drain and insulate dead level roof decks. Energy efficient moisture resistant foam roofing.

Because of its size and customization options tapered eps often can be installed in a single layer. Flat roofs have no slope and are available in built up single ply and sprayed polyurethane foam designs. When correctly installed tapered insulation helps eliminate problems due to ponding water and can extend the longevity of your low slope roofing system. Foam roofing is the most energy efficient roofing material available over 500 more efficient than conventional roofs.

According to the international building code the typical built up flat roof that uses tar or asphalt goes by the guideline that for every foot 12 inches of a flat roof a minimum of inch must step up or down. A thick typically 1 5 thick closed cell polyurethane waterproofing barrier seals the roof against leaks. Installing spray foam on sloped roofs costs approximately 20 30 more than a flat roof. Manufactured from lightweight foam control eps tapered expanded polystyrene eps roof insulation is a value engineered system that has been proven in new and reroof applications all over the country.

It is readily available in the two most popular and efficient tapers 1 8 3 18 mm per foot 305 mm 1 and 1 4 6 35 mm per foot 3 18 mm 2. However most cathedral ceilings and low slope flat roofs are insulated roof assemblies. In contrast tapered expanded polystyrene eps rigid foam insulation is available in blocks up to 40 inches thick and can be cut to virtually any slope depending on the drainage needs of the building. Insulated roof assemblies can be vented or unvented.

Need for additional fall protection lifts restraints etc on a flat roof a lift is not needed to access areas where a contractor needs to spray foam. With this kind of roof the insulation follows the slope of the roof. Does spray foam for a sloped roof cost more than a flat roof. Some tapered insulation is formed with a slope and only needs to be pieced together during the installation process.

Flat roof slope minimum.