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.
Do i need attic 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.
Does a garage attic need to be insulated.
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.
There are many types to choose from including blown in cellulose batt such as fiberglass mineral wool or cotton.
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.
The higher the r value the better the thermal performance of the insulation.
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.
After confirming that your attic is air sealed you need to select insulation.
In particularly cold climates you might go up to r 60.
So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest.
Pull down stair or ladder.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
Use our roll insulation calculator to estimate the amount of wall insulation crawlspace insulation or attic insulation you need for your project.
Your home s r value score will guide you toward the type of insulation you need.
In general an attic s r value should be between r 30 and r 49.
If you do not use the attic much it is pointless heating this area.
Insulating the attic floor.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
Attic hatch or door.
If you are planning to have an attic insulation project for your home you may be wondering whether it is important to have a vapor barrier installed as well.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Add the right kind of insulation.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.