Closed Cell vs Open Cell Spray Foam: Which One Is Right for Your Home? Not all spray foam does the same job and choosing the right one depends on what you’re trying to accomplish. Closed cell spray foam has a higher R-value, typically R-6 to R-7 per inch. At around 1 inch, it stops air movement, and at 2 inches, it acts as a vapor barrier. That makes it ideal for areas where moisture control and structural rigidity matter. Open cell spray foam, on the other hand, has a lower R-value at about R-3

SPRAY FOAM Open Cell vs Closed Cell #Insulation #SprayFoamInsulation #SprayFoam #HomesteadLife | Piney Grove Homestead and Mini Farm

We are installing closed cell foam insulation as a first layer, by applying 2-3in you get all the benefits of closed cell foam at a much lower price and of course we will top it off with open cell foam to reach the r-value for the roof! #sprayfoam #homeinsulation #thermalcomfort #insulationsolutions #ecomaxinsulation | Ecomax Spray Foam Insulation