Spray Foam Insulation Minimum Thickness

Spray foam insulation r value is contingent on the type of spray foam insulation being applied.

Spray foam insulation minimum thickness.

Touch n foam 2 component spray foam expands and touch n foam 2 component spray foam expands and cures quickly to fill cavities gaps cracks expansion joints and other sources of air leakage in a building envelope. 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. Resists moisture that can lead to mold or mildew and provides increased sound and thermal insulation. 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.

Choose foam it green spray foam insulation kits and don t settle for less than you deserve. What s the recommended thickness of a spray foam roof. Spray foam insulation is available in open cell and closed cell. Spray foam kits are quicker and easier to use plus you get a seamless air barrier and high r value in just 1 inch.

Generally the thickness of spray foam is determined by building codes in the area. The coating is also restricted to only the specific spray foam system used in the test. Spray foam insulation is not difficult to install once you have been trained in the more technical aspects of its application. One of these is the thickness of the foam.

I don t want the costs of applying additional foam to outweigh the benefits it will provide. If the coating is tested only on overhear horizontal ceiling assemblies it can only be used in place of a thermal barrier for overhead applications. Insulstar spray foam insulation is a spray applied semi rigid cellular polyurethane foam plastic insulation having a maximum thickness of 2 inches and a nominal density of 2 0 pcf. 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.

On the same 2 200 square foot home closed cell foam insulation costs 6 776 for the minimum 3 5 thickness and 10 648 to spray the maximum 5 5 thickness. Jun 07 2007 10 03 pm. The thickness of the spray foam membrane can not exceed that which was used in the coating test. The r value of spray foam insulation is different.

But what thickness is most beneficial to my roof. Foam insulation cost by home size prices below are for a 3 5 foam thickness which is the maximum for open cell and the minimum for closed cell.