Closed cell and open cell aka 2 pound and pound respectively.
Which insulation is best for attics.
Both can be added to uninsulated attics or layered over existing material.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
The majority of homes in california for example require r 38 insulation in the.
Choose from two types.
The best insulation for your attic is the product that gives you the r value needed as determined by your climate.
Spray foam offers the best attic insulation performance available.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Among commonly used types of insulation there are mineral wool or fiberglass rolls and batts rigid fiberglass board loose fill materials cellulose mineral wool etc.
Spray foam attic insulation.
If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.
The big disadvantage with spray foam is cost.
For diy attic insulation you ve got two choices.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
So it s time to pay close attention to what s happening up there.
Rolls and batts are produced of mineral wool and fiberglass.
Modern technology of blanket insulation today is considered the best insulation for attic.