Which Insulation Is Best For Attics

Closed cell and open cell aka 2 pound and pound respectively.

Which insulation is best for attics.

Spray foam attic insulation. Choose from two types. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Spray foam offers the best attic insulation performance available. Loose fill or batt the common term for blanket insulation. The big disadvantage with spray foam is cost.

Rolls and batts are produced of mineral wool and fiberglass. For diy attic insulation you ve got two choices. Both can be added to uninsulated attics or layered over existing material. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.

I d blow insulation on the attic floor after air sealing of course. The best insulation for your attic is the product that gives you the r value needed as determined by your climate. The majority of homes in california for example require r 38 insulation in the. 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.