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.
Spray foam r value 2x6 wall.
A typical 2 4 stud filled with open cell spray foam will have an r value between 10 5 and 14.
The r value of the high density spray foam wall decreases from an installed r value.
There are no circumstances in which a 2x4 wall should be on the table in your location.
This is very important in situations where your code requires an r 21 for the wall but you only have a 2 4 stud because closed cell spray foam is the only way you would achieve the required r value to meet code.
Spray foam kits are quicker and easier to use plus you get a seamless air barrier and high r value in just 1 inch.
Choose foam it green spray foam insulation kits and don t settle for less than you deserve.
However fiberglass generally does not provide as tight a seal as a foam product would since it is unable to achieve as tight of a seal.
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.
That means if you used foam it green closed cell which is r 7 per inch it s r value for a 3 5 deep wall cavity would be r 24 5.
Dense spray foam is installed.
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.