Recommended Attic Insulation
Closed cell and open cell aka 2 pound and pound respectively.
Recommended attic insulation. Spray foam attic insulation. The higher the r value the better the thermal performance of the insulation. The higher the r value the better the thermal performance of the insulation. Insulation ratings can be improved by adding more layers of insulation.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. Rolls and batts are produced of mineral wool and fiberglass. 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. Loose fill or batt the common term for blanket insulation.
For diy attic insulation you ve got two choices. Spray foam offers the best attic insulation performance available. The ideal attic insulation r value is different than the ideal wall insulation r value. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Recommended home insulation r values. Add the right kind of insulation. It must be considered then that the minimum. Insulation levels are specified by r value.
Both can be added to uninsulated attics or layered over existing material. 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. 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. R value is a measure of insulation s ability to resist heat flow.
So it s time to pay close attention to what s happening up there. Achieving greater r values in attics. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
Make sure your home is properly insulated in all these locations. Inspecting your attic insulation. The province the city and the area greatly influence the difference in r value for the insulation of an attic. Choose from two types.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. Insulation level are specified by r value. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.