Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Recommended attic insulation.
They sport insulation values of approximately r 6 5 and r 3 6 per inch 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.
The higher the r value the better the thermal performance of the insulation.
Loose fill or batt the common term for blanket insulation.
Spray foam attic insulation.
R value is a measure of insulation s ability to resist heat traveling through it.
Recommended home insulation r values.
The province the city and the area greatly influence the difference in r value for the insulation of an 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.
Insulation level are specified by r value.
Add the right kind of insulation.
Choose from two types.
Closed cell and open cell aka 2 pound and pound respectively.
Modern technology of blanket insulation today is considered the best insulation for attic.
Both can be added to uninsulated attics or layered over existing material.
If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.
I d blow insulation on the attic floor after air sealing of course.
Rolls and batts are produced of mineral wool and fiberglass.
The big disadvantage with spray foam is cost.
Spray foam offers the best attic insulation performance available.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.
Insulation levels are specified by r value.
R value is a measure of insulation s ability to resist heat flow.
Achieving greater r values in attics.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
It must be considered then that the minimum.
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.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Make sure your home is properly insulated in all these locations.
Inspecting your attic insulation.
So it s time to pay close attention to what s happening up there.
For diy attic insulation you ve got two choices.
You can mix the type and material of insulation too.
The higher the r value the better the thermal performance of the insulation.