How Many Inches Of Cellulose In Attic

It can be located on a card left by the previous installer printed on the attic insulation or you can measure it yourself.

How many inches of cellulose in attic.

Take your measuring tape and measure how deep it is. Rock wool 2 8 x depth. 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. R 20 2 x 6 wall 30lb bg 40 bags 30lb.

Thermoshield cellulose insulation attic calculator. Input length width and desired r value of the area to be insulated. For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3. Click the button to calculate the depth in inches and pounds of total insulation required for this job.

Dense gray or near white may have black specs. Bag dimension 14 x 15 x 28 long or 3 4 cu ft. R 30 9 5 deep 30lb. Small gray flat pieces or fibers from newsprint cellulose 3 7 x depth.

And you can blow it easily and quickly into odd shaped spaces in an attic where access is limited and dragging up batts is tough. Use this calculator to determine how many bags of thermoshield insulation you will need to insulate your attic for the optimal energy efficiency. These r values are a sum meaning this should be the total r value once you add up the entire depth of 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. If the attic is already insulated you ll want to check the current r value. Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics. You can also rent the blowers from a rental center.

Bg 30 bags. Air sealing air leaks are a major cause of losing warm air. Fiberglass 2 5 x depth. This calculator is to be used as an estimating tool only.

Current insulation levels how much you already have will dictate how many more inches you need. If you have a complex attic with lots of ductwork bathroom fans and ceiling fixtures more air sealing will need to be. 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.

Depth inches total insulation r value. In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended. Vermiculite or perlite 2 7 x depth.