Most attics are insulated with blown in loose cellulose r 3 5 per inch blown in loose fiberglass r 2 5 per inch or fiberglass batts r 3 2 per inch.
Add attic bedroom insulation.
Check the attic walls and floors adjacent to an unheated space like a garage or basement.
Department of energy fibgerglass batts have an r value of 3 2 per inch while loose fill fiberglass.
Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation.
The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home.
Attics are a top pick when homeowners decide to gain some extra storage or add a guest room but not all attic flooring structures are up to the task of supporting the weight of a new living space.
Multiply the number of inches of insulation by the r value per inch.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
So it s time to pay close attention to what s happening up there.
According to the u s.
Pull down stair or ladder.
Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
Attic hatch or door.
In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment.
To determine whether you should add insulation.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
This isolates the attic from the rest of the home which means the attic isn t part of the conditioned envelope.
Affix rigid foam insulation to the attic side of the hatch or door.