Closed Cell Spray Foam Insulation R Value Chart

As a benchmark one inch of solid wood has an r value of 1.

Closed cell spray foam insulation r value chart. Eco spray foam insulation. The closed cell spray foam stops air infiltration and provides about an r 5 per inch. If you want to install spray foam in a stud wall and price is no object then it would seem to make sense to specify closed cell spray foam right. Closed cell spray foam insulation closed cell spray foam has a far better r value per inch than other less effective insulations like cellulose fiberglass or even open cell foam.

In comparison an inch of blown fiberglass insulation has an r value of 3 1 3 4 and. The r value of closed cell foam is r 6 5 7 per inch. Closed cell open cell spray foam r values. All these have r values ranging from r 3 2 to r 3 8 per inch.

Just like for open cell foam r values are additive. Two inches of closed cell foam will provide r12 r14 of insulation. If you want to install spray foam in a stud wall and price is no object then it would seem to make sense to specify closed cell spray foam right. Use the following chart to estimate an ideal r value for your insulation project.

When applied on the interior open cell spray insulation provides performance advantages that differ from those of closed cell spray foam used on the exterior. The r value for closed cell is typically around 6 7 at 1 thick and varies by manufacturer. R value is an important insulation term about measurement. They sport an r value of 6 0 8 0 per inch of insulation about double their open cell foam counterparts.

Closed cell spray foams are between 2 and 4 lbs. Products with a higher r value provide greater insulation. As always should you have any questions or require any assistance in planning your spray foam insulation job please contact us we are always happy to help. Both closed cell spray foam and open cell spray foam insulation can be used effectively in commercial building designs to allow the building to achieve energy efficiency and consistent performance.

Open cell spray foam has an r value of about r 3 7 per inch while closed cell spray foam has an r value that may be as high as r 6 5 per inch. R value is a measurement of thermal resistance and measures the ability of heat to transfer from one side of an object to another. Closed cell spray foam insulation is vapor and air impermeable and is applied with a minimum of 2 on average with use on on interior and exterior building applications.