Spray Foam Roof Insulation Thickness

The icc es report for insulstar spray foam from ncfi esr 1615 issued february 1 2005 lists a maximum thickness of only 2 inches.
Spray foam roof insulation thickness. 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. 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. Choose foam it green spray foam insulation kits and don t settle for less than you deserve. But what thickness is most beneficial to my roof.
The movement of air into indirect conditioning of an unvented attic is a slow gradual process that will not be noticeable by occupants and typically will not put any strain on the hvac system. Most low slope roof construction using spray foam use a hybrid approach where a combination of high density closed cell spray foam is used with fiberglass or cellulose insulation. Spray foam insulation is a great product. There you have it.
Ultimately the spray foam insulation cost will be predominately influenced by the type of spray foam insulation you need the thickness and area that you want to insulate. Spray foam kits are quicker and easier to use plus you get a seamless air barrier and high r value in just 1 inch. 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.
The rapid growth of sprayed foam insulation in building construction thanks in part to its immediate and long term. The 1 question to ask before putting spray foam in your attic. Open cell spray foam insulation. Homes insulated with it can be some of the most efficient and comfortable homes built.
What s the recommended thickness of a spray foam roof. I don t want the costs of applying additional foam to outweigh the benefits it will provide. Beware of roofers in homes with spray foam insulation. 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.
Does your spray foam insulation need a thermal or ignition barrier. You ll find it used for ceilings walls and roofs. 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 insulation cost may be a more expensive option in the beginning but in as little as 1 3 years you will have made the money back by the amount you save in your.
Open cell spray foam has a low density which makes it vapor permeable. Do it right and your roof will not rot. A 3 in thick layer of open cell spray foam has a permeance grade of 16. Open cell spray foam is a perfectly acceptable insulation product to use in attics.