Adding Insulation To Walls From 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.
Adding insulation to walls from attic. You can do it yourself for about 500. Retrofit wall insulation is a debatable subject because there is no single right answer for all homes and homeowners. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system.
In some cases the cost of adding insulation may exceed the cost of energy needed to heat or cool it. The vapor retarder on top of or between layers of insulation can trap moisture. Blown in insulation overview. Pull down stair or ladder.
The first 3 in. Of home insulation you add to a bare ceiling or wall will yield huge savings. Enter your data into the fields where indicated. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
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 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. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. 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.
Blowing attic insulation isn t hard but it s dusty sweaty work. Check the attic walls and floors adjacent to an unheated space like a garage or basement. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. You can achieve better thermal performance in your attic by adding an additional layer of insulation.
Adding another 3 in. 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. Affix rigid foam insulation to the attic side of the hatch or door.
Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy. Attic hatch or door. Faced insulation should not be placed on top of existing insulation in the attic.