Recommended Attic Insulation

For diy attic insulation you ve got two choices.

Recommended attic insulation. 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. Loose fill or batt the common term for blanket insulation. Spray foam attic insulation.

Rolls and batts are produced of mineral wool and fiberglass. Modern technology of blanket insulation today is considered the best insulation for attic. 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. The ideal attic insulation r value is different than the ideal wall insulation r value.

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. 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. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.

Insulation levels are specified by r value. Both can be added to uninsulated attics or layered over existing material. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. 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 higher the r value the better the thermal performance of the insulation. Closed cell and open cell aka 2 pound and pound respectively. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. R value is a measure of insulation s ability to resist heat flow.

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. The big disadvantage with spray foam is cost. Make sure your home is properly insulated in all these locations. Add the right kind of insulation.

Achieving greater r values in attics. Insulation ratings can be improved by adding more layers of insulation. R value is a measure of insulation s ability to resist heat traveling through it. Insulation level are specified by r value.

The province the city and the area greatly influence the difference in r value for the insulation of an attic. It must be considered then that the minimum. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. You can mix the type and material of insulation too.

Choose from two types. Recommended home insulation r values.