Polyurethane Rigid Foam Roof Insulation

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.

Polyurethane rigid foam roof insulation.

Examples include 1 polyisocyanurate roof insulation and spray polyurethane foam roofing systems directly applied to steel roof decks 2 some. 4 8 7 21. Kingspan insulation r 4 common. Foam board insulation types.

Corrosion problems when in contact with steel roofing moisture. The dura foam roof system has a rigid and durable surface that you can walk on. Rigid foam insulation installation prepare roof deck. Phenolic foam spray insulation.

0 75 in x 4 ft x 8 ft. There are three basic foam insulation board products on the. The bottom layer of a single ply membrane roofing system is the roof deck or substrate. 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.

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. Phenolic foam insulation r values. 4 5 21. Very good air bypass leak sealing properties.

The roof deck can be plywood metal concrete or wood planks. A thick typically 1 5 thick closed cell polyurethane waterproofing barrier seals the roof against leaks. 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 first step with roof installation is to prepare the roof deck by getting rid of all dirt dust and contaminants.

8 3 4 4 8 2 20. Foam roofs are lightweight durable and seamless. 0 75 in x 4 ft x 8 ft 1 unfaced polystyrene foam board insulation item 304087 model 100000050511.