How Deep To Make Blow In Insulation In My Attic

The total r value of installed insulation is calculated by multiplying its baseline r value times the depth of the insulation in inches. Hoses that you can connect and snake into the attic. The blower should include two 50 ft.

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Handy homeowners can install blown in insulation in the attic.

How deep to make blow in insulation in my attic.

How deep to put blown in insulation. This calculator is to be used as an estimating tool only. Ten inches of blown insulation provides an insulating value of approximately r 30 1 inch of fiberglass provides about r 2 7 while 1 inch of cellulose is approximately r 3. Measure your attic to determine how many square feet you need to cover.

Click the button to calculate the depth in inches and pounds of total insulation required for this job. A poorly insulated attic lets heat escape through the roof wasting energy used to warm. Attic insulation is a key to saving energy during the heating season. Your helper will feed the blown in insulation into the hopper while you work the hose up in the attic photo 5.

Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical. Input length width and desired r value of the area to be insulated. Insulation input length width and desired r value of the area to be insulated. Click the button to calculate the depth in inches and pounds of total insulation required for this job.

Cellulose insulation has a baseline r value of 3 8 per inch.

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