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