In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment.
Adding a layer of insulation in the attic.
Faced insulation should not be placed on top of existing insulation in the attic.
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.
These insulation levels will keep heated air from migrating out in winter.
Blown in insulation overview.
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.
How much does attic insulation cost.
Affix rigid foam insulation to the attic side of the hatch or door.
Pull down stair or ladder.
Typically houses in warm weather states should have an r 38 insulation in the attic whereas houses in cold climates should have r 49.
And you ll only need 19 inches of batt insulation because you need more when you use blown in.
You can do it yourself for about 500.
The pros charge 1 500 to 2 000 to do a 1 200 sq ft.
Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face.
Attic hatch or door.
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.
Blowing attic insulation isn t hard but it s dusty sweaty work.