How Many Inches Of Cellulose In Attic

Take your measuring tape and measure how deep it is.

How many inches of cellulose in attic.

I had about r 19 in my attic and the most i could add was 8 10 of cellulose on top of that. Fortunately attic insulation can be upgraded simply by adding more to achieve the recommended. 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. The pros charge 1 500 to 2 000 to do a 1 200 sq ft.

On the other hand the lose pink or white fibreglass has r value of 2 5 that requires. 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. Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics. Actions 2013 sep 12 4 25 pm.

It can be located on a card left by the previous installer printed on the attic insulation or you can measure it yourself. Rock wool 2 8 x depth. Depth inches total insulation r value. According to the insulation institute the cellulose has the r value of 3 7 and this translate to 16 inches for r60.

R 13 2 x 4 wall 30lb bg 27 bags. For loose fill cellulose this translates to a total depth ranging from 8 inches up to 16 inches. Light weight yellow pink or white. If the attic is already insulated you ll want to check the current r value.

Bag dimension 14 x 15 x 28 long or 3 4 cu ft. How much does attic insulation cost. Vermiculite or perlite 2 7 x depth. For loose fill such as ecofill multiply the depth by a minimum of r 2 67 per inch.

If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. Blown in insulation overview. R 20 2 x 6 wall 30lb bg 40 bags 30lb. It is pulverized into a fine powder that adheres and remains a part of the insulation.

When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding. Cellulose will settle after installation creating a dense continuous layer helping to block air transfer through any holes into your attic. 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. That was filled up 99 with just a few inches for ventilation.

Fiberglass 2 5 x depth. R 30 9 5 deep 30lb. The cellulose product home comfort insulation uses is treated with 100 borate fire retardant formula. According to the u s.

You can do it yourself for about 500. Small gray flat pieces or fibers from newsprint cellulose 3 7 x depth.