Urethane Foam Insulation R Value

Additional r value for a masonry wall constructed using these materials needs to add the insulating value of additional wall components typically included such as 1 solid foam polyisocyanurate r 8 extruded polystyrene r 5 expanded polystyrene r 4 or 1 of perlite r 2 7 and for an exterior air film winter no wind r 0 17 an interior.

Urethane foam insulation r value.

Foamular extruded polystyrene xps rigid foam insulation offers foamular extruded polystyrene xps rigid foam insulation offers a comprehensive line of products choose the strength you need from 15 to 60 psi and exceptional moisture resistance. For every type and material of insulation check the r value per inch of thickness that the manufacturer has listed. With higher r value comes higher insulation. In these cells there is a low conductivity gas that shields the house from losing warm or cool air.

Polyurethane is a closed cell foam insulation material that initially contains a low conductivity gas in its cells. Icynene sprayed in foam is an insulation and air seal system that works to help ensure that your home doesn t suffer from air loss while providing an effective r value. 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. Choose foam it green spray foam insulation kits and don t settle for less than you deserve.

Foam board insulation types. In comparison glass wool typically has an r value of only r 3 to r 4 per inch. As a result of the high thermal resistance of the gas spray polyurethane insulation typically has an initial r value around r 3 4 to r 6 7 per inch. Products provide superior insulating properties.

Typically a higher insulation r rating means better climate control and better energy efficiency for your home. In comparison an inch of blown fiberglass insulation has an r value of 3 1 3 4 and. The highest r value can be found in closed cell polyurethane spray foam. The r value of this foam per inch ranges from r 5 to r 6.

Because of this i often get questions about which type of foam board insulation to use and what r values these products provide. Spray foam kits are quicker and easier to use plus you get a seamless air barrier and high r value in just 1 inch. A higher insulation r value usually means a higher price point as well. The common denominator among varieties of insulation is the r value.

As a benchmark one inch of solid wood has an r value of 1. If you d like to start saving money and time today buy foam it green spray foam insulation now or call us at 800 516 0949. This type of spray foam is used in buildings and houses. By expanding 100 times its original size icynene seals cracks and gaps in attics walls ceilings and other spaces where air might escape.

Open cell foam cells are not as dense and are filled with air which gives the insulation a spongy texture and a lower r value.