Recommended Attic Insulation

The higher the r value the better the thermal performance of the insulation.

Recommended attic insulation.

Both can be added to uninsulated attics or layered over existing material. Add the right kind of insulation. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. Achieving greater r values in attics.

R value is a measure of insulation s ability to resist heat flow. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. Choose from two types. The higher the r value the better the thermal performance of the insulation.

The big disadvantage with spray foam is cost. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. The ideal attic insulation r value is different than the ideal wall insulation r value.

R value is a measure of insulation s ability to resist heat traveling through it. Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Recommended r value for attic insulation canada the recommended r value for insulation of attics in canada depends on the area as it is a value that changes a lot from area to area.

The province the city and the area greatly influence the difference in r value for the insulation of an attic. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. So it s time to pay close attention to what s happening up there. Modern technology of blanket insulation today is considered the best insulation for attic.

I d blow insulation on the attic floor after air sealing of course. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Insulation levels are specified by r value. Rolls and batts are produced of mineral wool and fiberglass.

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. Insulation ratings can be improved by adding more layers of insulation. It must be considered then that the minimum. Make sure your home is properly insulated in all these locations.

Recommended home insulation r values. Spray foam offers the best attic insulation performance available. Closed cell and open cell aka 2 pound and pound respectively. Loose fill or batt the common term for blanket insulation.

You can mix the type and material of insulation too. Spray foam attic insulation.