Closed Cell Spray Foam R Value Calculator

Closed cell spray foam aka two pound foam is denser than open cell at about 2 pounds per cubic foot.

Closed cell spray foam r value calculator.

Along with knowing the r value of a particular insulation it is also important to calculate the r value of a total system. 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 kits are quicker and easier to use plus you get a seamless air barrier and high r value in just 1 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 r values. When using this spray foam insulation cost calculator it is generally a good idea to factor in about 10 extra spray foam insulation cost to account for over spray waste and yield variations due to your particular ambient conditions. For 6 inches r 15 or r 19 etc. Choose foam it green spray foam insulation kits and don t settle for less than you deserve.

Closed cell foam r6 r8. Estimating spray foam insulation coverage is easy with our calculator. Simply enter your desired final r value height of the ceiling and the length of each wall and the calculator will recommend the number and size of kits you need. 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.

For example closed cell spray foam depending on brand can offer an r 6 or r 7 per inch. Closed cell spray foams are between 2 and 4 lbs. 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. In comparison an inch of blown fiberglass insulation has an r value of 3 1 3 4 and an inch of blown cellulose in an attic has an r value of 3 2 3 7.

Just like for open cell foam r values are additive. As a benchmark one inch of solid wood has an r value of 1. Two inches of closed cell foam will provide r12 r14 of insulation. They sport an r value of 6 0 8 0 per inch of insulation about double their open cell foam counterparts.

Why spray foam insulation is so effective in meeting code requirements is that it has a higher r value per inch of product used than batts. 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. Estimating spray foam coverage coverage calculator. 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.

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. Its r value is roughly 6 5 per inch. The primary reason closed cell doesn t need a vapor retarder is because it already has one due to its density and mixture.