Polyurethane Rigid Foam Roof Insulation

Because of this i often get questions about which type of foam board insulation to use and what r values these products provide.

Polyurethane rigid foam roof insulation.

Foam roofs are lightweight durable and seamless. Phenolic foam insulation r values. The first step with roof installation is to prepare the roof deck by getting rid of all dirt dust and contaminants. Kingspan insulation r 4 common.

Phenolic foam spray insulation. Examples include 1 polyisocyanurate roof insulation and spray polyurethane foam roofing systems directly applied to steel roof decks 2 some. The roof deck can be plywood metal concrete or wood planks. 4 8 7 21.

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. Spray polyurethane foam spf is the only roofing material that has no seams. 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. 0 75 in x 4 ft x 8 ft.

Very good air bypass leak sealing properties. 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. This product is suitable for use in wall sheathing applications in new. Corrosion problems when in contact with steel roofing moisture.

A thick typically 1 5 thick closed cell polyurethane waterproofing barrier seals the roof against leaks. 4 5 21. 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. There are three basic foam insulation board products on the.

8 3 4 4 8 2 20. Foam board insulation types. The dura foam roof system has a rigid and durable surface that you can walk on.