Adding Insulation To Existing Attic

If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.

Adding insulation to existing attic.

How much does attic insulation cost. Faced insulation should not be placed on top of existing insulation in the attic. The vapor retarder on top of or between layers of insulation can trap moisture. You can do it yourself for about 500.

Check the attic walls and floors adjacent to an unheated space like a garage or basement. Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary. This is because your original insulation r value most likely has dropped from recommended 60 to 20 30. So this thickness does not stop or prevent your home from heat loss.

By adding insulation to the attic with existing insulation pros and cons read more. Affix rigid foam insulation to the attic side of the hatch or door. Attic hatch or door. Installing batts and rolls in attics is fairly easy but doing it right is very important.

Adding insulation to an existing home. Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation. To install fiberglass batts over existing insulation lay the batts perpendicular to the joists so they do not compress the insulation below. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.

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. 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. Whether you live in a warm weather state as i do or in a cooler northern climate it s hard to stay comfortable and keep your energy bills in check if you don t have adequate insulation in the attic.

Pull down stair or ladder. Inspecting and evaluating your insulation. Blown in insulation overview. In case you have had your attic insulation installed more than 15 to 20 years ago it is advisable to get it replaced.

Use unfaced batts especially if reinsulating over existing insulation. Remember that it is important to seal up air leaks between your living space and the attic before adding insulation in your attic.