Polyurethane Rigid Foam Roof Insulation

Kingspan insulation r 4 common.

Polyurethane rigid foam roof insulation.

4 8 7 21. 0 75 in x 4 ft x 8 ft 1 unfaced polystyrene foam board insulation item 304087 model 100000050511. 4 5 21. 0 75 in x 4 ft x 8 ft.

The first step with roof installation is to prepare the roof deck by getting rid of all dirt dust and contaminants. Phenolic foam spray insulation. Foam board insulation types. R matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation r matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation board composed of environmentally sound closed cell polyisocyanurate foam bonded to a durable white matte non glare aluminum facer and a reflective reinforced aluminum facer.

Phenolic foam insulation r values. The roof deck can be plywood metal concrete or wood planks. Spray polyurethane foam spf is the only roofing material that has no seams. I ve written several posts about how to insulation basement walls in which i promote the use of foam board insulation as the first line of defense against moisture and mold.

Because of this i often get questions about which type of foam board insulation to use and what r values these products provide. Very good air bypass leak sealing properties. Rigid foam insulation installation prepare roof deck. Some polyurethane and polyisocyanurate foam insulations and systems have earned various building code acceptances for use without a thermal barrier as a result of this large scale fire testing.

8 3 4 4 8 2 20. A thick typically 1 5 thick closed cell polyurethane waterproofing barrier seals the roof against leaks. Foam roofs are lightweight durable and seamless. This product is suitable for use in wall sheathing applications in new.

Insulation s r value is a measure of its effectiveness and a single 1 inch sheet of polyurethane foam gives you an r value of 5 5 to 6 5 according to the u s. The bottom layer of a single ply membrane roofing system is the roof deck or substrate. There are three basic foam insulation board products on the.