Adding Insulation To Walls From Attic

Blowing attic insulation isn t hard but it s dusty sweaty work.

Adding insulation to walls from attic.

In some cases the cost of adding insulation may exceed the cost of energy needed to heat or cool it. Attic hatch or door. The vapor retarder on top of or between layers of insulation can trap moisture. 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.

Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. You can do it yourself for about 500. Pull down stair or ladder. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.

Only a cost benefit analysis in relation to your own situation can help you arrive at the right answer. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. 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. Adding another 3 in.

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. Find your zone on the map and then use the above insulation r value chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.

Affix rigid foam insulation to the attic side of the hatch or door. The first 3 in. Of home insulation you add to a bare ceiling or wall will yield huge savings. So it s time to pay close attention to what s happening up there.

How much does attic insulation cost. Blown in insulation overview. Faced insulation should not be placed on top of existing insulation in the attic. 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. Will increase energy savings but not to as great a degree.