Urethane Foam Insulation R Value

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.

Urethane foam insulation r value.

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. Like polyiso foam the r value of closed cell polyurethane insulation can drop over time as some of the low conductivity gas escapes and air replaces it in a phenomenon known as thermal drift or ageing. Foam board insulation types. With higher r value comes higher insulation.

There are three basic foam insulation board products on the. 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. For every type and material of insulation check the r value per inch of thickness that the manufacturer has listed. Products provide superior insulating properties.

The r value of this foam per inch ranges from r 5 to r 6. 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. As a benchmark one inch of solid wood has an r value of 1. The common denominator among varieties of insulation is the 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. In comparison glass wool typically has an r value of only r 3 to r 4 per inch. The highest r value can be found in closed cell polyurethane spray foam. This type of spray foam is used in buildings and houses.

R value is a measurement of thermal resistance and measures the ability of heat to transfer from one side of an object to another. Polyurethane is a closed cell foam insulation material that initially contains a low conductivity gas in its cells. Choose foam it green spray foam insulation kits and don t settle for less than you deserve. In comparison an inch of blown fiberglass insulation has an r value of 3 1 3 4 and.

In these cells there is a low conductivity gas that shields the house from losing warm or cool air. 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. Typically a higher insulation r rating means better climate control and better energy efficiency for your home. 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.

Spray foam kits are quicker and easier to use plus you get a seamless air barrier and high r value in just 1 inch.