Spray Foam Attic Thickness

Light density open cell spray foam is commonly known as half pound.

Spray foam attic thickness.

Light density open cell spray foam ocspf. Medium density closed cell spray foam ccspf. The problem was that the installer was doing his first spray foam job ever and the thickness of the insulation varied from zero visible roof deck to about 9. The best part of using foam it green spray foam on an attic floor is you only need 1 inch cured thickness to seal the living spaces you use from the attic.

Earlier this year i got a question about a home that had spray foam insulation in the attic. Allowable of the spray foam in an attic is 6 inches. This form of insulation is commonly known as two pound foam as it is a rigid insulating material that requires a thickness of 50 mm when applied in the home typically this foam s natural color is yellow when applied in insulation. Choose foam it green spray foam insulation kits and don t settle for less than you deserve.

Then you can use other forms of insulation like fiberglass or cellulose to add r value now that you have a tight air seal. In a properly insulated spray foam attic the temperature won t be much higher than the house temperature. Unfortunately good average thickness doesn t cut it. A lot of builders and homeowners are going with spray foam insulation because of the airtightness benefits but then the questioner mentioned that the spray foam contractor had intentionally left big holes to the outside by not sealing the gable vents.

Nothing unusual about that.