How Many Inches Of Cellulose In Attic

Light weight yellow pink or white.

How many inches of cellulose in attic.

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. Take your measuring tape and measure how deep it is. That was filled up 99 with just a few inches for ventilation. Cellulose will settle after installation creating a dense continuous layer helping to block air transfer through any holes into your attic.

Depth inches total insulation r value. The cellulose product home comfort insulation uses is treated with 100 borate fire retardant formula. R 20 2 x 6 wall 30lb bg 40 bags 30lb. According to the insulation institute the cellulose has the r value of 3 7 and this translate to 16 inches for r60.

Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics. If the attic is already insulated you ll want to check the current 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. It is pulverized into a fine powder that adheres and remains a part of the insulation.

R 13 2 x 4 wall 30lb bg 27 bags. For loose fill such as ecofill multiply the depth by a minimum of r 2 67 per inch. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. Bag dimension 14 x 15 x 28 long or 3 4 cu ft.

For loose fill cellulose this translates to a total depth ranging from 8 inches up to 16 inches. R 30 9 5 deep 30lb. Rock wool 2 8 x depth. When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding.

On the other hand the lose pink or white fibreglass has r value of 2 5 that requires. Blown in insulation overview. Dense gray or near white may have black specs. It can be located on a card left by the previous installer printed on the attic insulation or you can measure it yourself.

Fiberglass 2 5 x depth. Small gray flat pieces or fibers from newsprint cellulose 3 7 x depth. 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. Actions 2013 sep 12 4 25 pm.

According to the u s. How much does attic insulation cost. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. I had about r 19 in my attic and the most i could add was 8 10 of cellulose on top of that.

Vermiculite or perlite 2 7 x depth. Fortunately attic insulation can be upgraded simply by adding more to achieve the recommended.