Spray Foam Insulation Thickness

Most spray foam is limited to a thickness of 5 5 giving it an r value of 20 but in the more northern areas of the country where the r value is recommended to be at least 30 spray foam is not enough insulation.

Spray foam insulation thickness.

I ve been in plenty of these homes and can tell you that when spray foam is installed properly they outperform 99 of fiberglass batt insulated stick built homes. 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. Spray foam insulation comes in two types open cell and closed cell. I can also tell you that 73 of all statistics are made up on the spot so please don t ask for.

Spray foam insulation is a great product. Spray foam insulation r value is contingent on the type of spray foam insulation being applied. Open cell spray foam has a low density which makes it vapor permeable. With traditional insulation spaces and gaps in homes that aren t filled can leak enough air everyday to fill two air blimps.

The rapid growth of sprayed foam insulation in building construction thanks in part to its immediate and long term. Homes insulated with it can be some of the most efficient and comfortable homes built. The icc es report for insulstar spray foam from ncfi esr 1615 issued february 1 2005 lists a maximum thickness of only 2 inches. Use energy efficient solutions spray foam insulation calculator to determine how much insulation you ll need to help seal your home and save on energy bills.

Spray foam insulation thickness the recommended maximum thickness varies depending on the manufacturer making the spray foam. Spray foam insulation is available in open cell and closed cell. You may be wondering spray foam roofs get spray applied meaning they can be a inch 2 inches or 10 inches or really any thickness a spray foam applicator feels like doing. Over 1 billion pounds of spray foam sold worldwide.

Spray foam kits are quicker and easier to use plus you get a seamless air barrier and high r value in just 1 inch. Although spray foam insulation has been in use since the 1940s primarily for aircraft for the past 30 years continual product innovation has seen the increased adoption of spray foam insulation in residential and commercial construction. Spray foam expands up to 100 times its original size to fill every corner of a building s envelope for thermal insulation and air sealing. The r value of open cell spray foam is about 3 5 per inch although the r value can be different depending on the product.

But what thickness is most beneficial to my roof. What s the recommended thickness of a spray foam roof. The r value of spray foam insulation is different. You can adjust metrics like total area cured thickness and application type to find a workable insulation solution.

Choose foam it green spray foam insulation kits and don t settle for less than you deserve. I don t want the costs of applying additional foam to outweigh the benefits it will provide. A 3 in thick layer of open cell spray foam has a permeance grade of 16.