The best insulation for your attic is the product that gives you the r value needed as determined by your climate.
Which insulation is best for attics.
Both can be added to uninsulated attics or layered over existing material.
Closed cell and open cell aka 2 pound and pound respectively.
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.
I d blow insulation on the attic floor after air sealing of course.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Loose fill or batt the common term for blanket insulation.
Modern technology of blanket insulation today is considered the best insulation for attic.
Rolls and batts are produced of mineral wool and fiberglass.
If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.
Spray foam attic insulation.
Choose from two types.
So it s time to pay close attention to what s happening up there.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.
Spray foam offers the best attic insulation performance available.
The big disadvantage with spray foam is cost.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.