The higher the r value the better the thermal performance of the insulation.
Do i need attic insulation.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
To be able to answer this question correctly for your home there are a few factors you need to consider before any major attic insulation project.
Attic hatch or door.
In general an attic s r value should be between r 30 and r 49.
If your attic has enough insulation and proper air sealing and your home still feels drafty and cold in the winter or too warm in the summer chances are you need to add insulation to the exterior walls.
In practical terms you can choose between mineral wool or insulation boards.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
Affix rigid foam insulation to the attic side of the hatch or door.
In particularly cold climates you might go up to r 60.
Insulating the attic floor.
When adding additional insulation you do not have to use the same type of insulation that currently exists in your.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
Add the right kind of insulation.
Your home s r value score will guide you toward the type of insulation you need.
Use our roll insulation calculator to estimate the amount of wall insulation crawlspace insulation or attic insulation you need for your project.
The primary reason to insulate any part of the home is to provide a thermal barrier between conditioned heated or cooled interior space and the.
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.
Inspecting your attic insulation.
Pull down stair or ladder.
If you do not use the attic much it is pointless heating this area.
Does a garage attic need to be insulated.
After confirming that your attic is air sealed you need to select insulation.
This is more expensive and usually requires a contractor but it may be worth the cost especially if you live in a very cold climate.