How Many Inches Of Cellulose In Attic

Rock wool 2 8 x depth.

How many inches of cellulose in attic. For loose fill such as ecofill multiply the depth by a minimum of r 2 67 per inch. Fortunately attic insulation can be upgraded simply by adding more to achieve the recommended. According to the u s. 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.

Bg 30 bags. 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. It is pulverized into a fine powder that adheres and remains a part of the insulation. It can be located on a card left by the previous installer printed on the attic insulation or you can measure it yourself.

If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. Light weight yellow pink or white. Cellulose will settle after installation creating a dense continuous layer helping to block air transfer through any holes into your attic. Actions 2013 sep 12 4 25 pm.

Small gray flat pieces or fibers from newsprint cellulose 3 7 x depth. How much does attic insulation cost. When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding. For loose fill cellulose this translates to a total depth ranging from 8 inches up to 16 inches.

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. Depth inches total insulation r value. 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.

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. Dense gray or near white may have black specs. R 20 2 x 6 wall 30lb bg 40 bags 30lb. You can do it yourself for about 500.

The cellulose product home comfort insulation uses is treated with 100 borate fire retardant formula. On the other hand the lose pink or white fibreglass has r value of 2 5 that requires. According to the insulation institute the cellulose has the r value of 3 7 and this translate to 16 inches for r60. Fiberglass 2 5 x depth.

Vermiculite or perlite 2 7 x depth. R 13 2 x 4 wall 30lb bg 27 bags. R 30 9 5 deep 30lb. Take your measuring tape and measure how deep it is.

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.