And if you put the first layer down and let s say you use like 10 inch insulation the first time and you want to put a second layer down the second layer would be unfaced and that would be laid perpendicular to the first layer.
Adding a layer of insulation in the attic.
And you ll only need 19 inches of batt insulation because you need more when you use blown in.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
Typically houses in warm weather states should have an r 38 insulation in the attic whereas houses in cold climates should have r 49.
Affix rigid foam insulation to the attic side of the hatch or door.
Attic hatch or door.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face.
In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment.
How much does attic insulation cost.
If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.
By adding insulation to your attic you ll not only reduce your monthly utility bills but also enjoy improved energy efficiency and greater comfort throughout the year.
Pull down stair or ladder.
You can do it yourself for about 500.
Add additional layers.
These insulation levels will keep heated air from migrating out in winter.
The vapor retarder on top of or between layers of insulation can trap moisture.
Blowing attic insulation isn t hard but it s dusty sweaty work.