Adding Insulation To Walls From Attic

Retrofit wall insulation is a debatable subject because there is no single right answer for all homes and homeowners.

Adding insulation to walls from attic.

Attic hatch or door. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. 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. Check the attic walls and floors adjacent to an unheated space like a garage or basement.

The first 3 in. Blown in insulation overview. Of home insulation you add to a bare ceiling or wall will yield huge savings. The structural elements are usually exposed in these areas which makes it easy to see what type of insulation you have and to measure its depth or thickness inches.

Faced insulation should not be placed on top of existing insulation in the attic. 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. So it s time to pay close attention to what s happening up there.

You can do it yourself for about 500. 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. Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face.

Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. Affix rigid foam insulation to the attic side of the hatch or door. 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. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.

These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. How much does attic insulation cost. In some cases the cost of adding insulation may exceed the cost of energy needed to heat or cool it. Adding another 3 in.

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