How Often To Add Attic Insulation

While some insulation is built to last years there are times when you need to replace your insulation or add on more insulation to it.

How often to add attic insulation.

Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. How often do i need to replace insulation in my attic. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. If you ve never had your insulation checked out before it s time to get it done.

So it s time to pay close attention to what s happening up there. In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment. According to the u s. If you have an older home chances are the attic insulation is the same insulation that was installed when the house was built.

When adding additional insulation you do not have to use the same type of insulation that currently exists in your. Department of energy fibgerglass batts have an r value of 3 2 per inch while loose fill fiberglass. The higher the r value the better the thermal performance of the insulation. Standard insulation starts to degrade and start peeling from walls after about 15 years.

Check the attic walls and floors adjacent to an unheated space like a garage or basement. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation. Insulation begins to degrade in quality and effectiveness at around the 15 year mark.

Typically houses in warm weather states should have an r 38 insulation in the attic whereas houses in cold climates should have r 49. Multiply the number of inches of insulation by the r value per inch. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. How often should you replace insulation.

Foam insulation can settle after a year and may need to be replaced to keep it fluffy and insulating properly. Inspecting and evaluating your insulation. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. How often should attic insulation be replaced.

You can do it yourself for about 500. These insulation levels will keep heated air from migrating out in winter. Attic hatch or door. How much does attic insulation cost.

Add the right kind of insulation. In older homes there s a chance your attic insulation has never been replaced and could be badly degraded. Blown in insulation overview. Pull down stair or ladder.

Affix rigid foam insulation to the attic side of the hatch or door.