How Many Inches Of Cellulose In Attic

You can do it yourself for about 500.

How many inches of cellulose in attic.

It is pulverized into a fine powder that adheres and remains a part of the insulation. According to the insulation institute the cellulose has the r value of 3 7 and this translate to 16 inches for r60. Bag dimension 14 x 15 x 28 long or 3 4 cu ft. Take your measuring tape and measure how deep it is.

When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. Bg 30 bags. R 13 2 x 4 wall 30lb bg 27 bags.

If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. Depth inches total insulation r value. Fiberglass and cellulose insulation have r values of 2 9 to 3 8 per inch while sprayed foam insulation can go as high as 8 0 per inch. On the other hand the lose pink or white fibreglass has r value of 2 5 that requires.

How much does attic insulation cost. Light weight yellow pink or white. Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics. Department of energy it s recommended that attics have an r 38 to r 49 or about 12 to 15 of fiberglass or cellulose insulation.

It can be located on a card left by the previous installer printed on the attic insulation or you can measure it yourself. According to the u s. I had about r 19 in my attic and the most i could add was 8 10 of cellulose on top of that. Blown in insulation overview.

R 30 9 5 deep 30lb. Rock wool 2 8 x depth. For loose fill such as ecofill multiply the depth by a minimum of r 2 67 per inch. That was filled up 99 with just a few inches for ventilation.

R 20 2 x 6 wall 30lb bg 40 bags 30lb. Small gray flat pieces or fibers from newsprint cellulose 3 7 x depth. If the attic is already insulated you ll want to check the current r value. Vermiculite or perlite 2 7 x depth.

It appears that 16 deep is to get r60 for attic loose fill cellulose insulation and 24 deep is to get r60 for attic loose fill fibreglass insulation. Fiberglass 2 5 x depth. Actions 2013 sep 12 4 25 pm. The cellulose product home comfort insulation uses is treated with 100 borate fire retardant formula.

Loose fill cellulose is relatively inexpensive yet still has an r value of about 3 5 per inch of thickness compared to fiberglass r value between r3 to r4 per inch. For loose fill cellulose this translates to a total depth ranging from 8 inches up to 16 inches.