How Many Inches Of Cellulose In Attic

Most home centers sell bagged cellulose insulation and many provide the blower for a minimal fee or free when you buy a certain number of bags usually 10 or more.

How many inches of cellulose in attic. If the attic is already insulated you ll want to check the current r value. Light weight yellow pink or white. You can also rent the blowers from a rental center. Thermoshield cellulose insulation attic calculator.

If you have a complex attic with lots of ductwork bathroom fans and ceiling fixtures more air sealing will need to be. R 30 9 5 deep 30lb. Typically the cost for air sealing runs from 350 to 1 500. Air sealing air leaks are a major cause of losing warm air.

For loose fill such as ecofill multiply the depth by a minimum of r 2 67 per inch. R 13 2 x 4 wall 30lb bg 27 bags. Bg 30 bags. Take your measuring tape and measure how deep it is.

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. Current insulation levels how much you already have will dictate how many more inches you need. Input length width and desired r value of the area to be insulated.

Fiberglass 2 5 x depth. Vermiculite or perlite 2 7 x depth. Dense gray or near white may have black specs. 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.

For loose fill cellulose this translates to a total depth ranging from 8 inches. Click the button to calculate the depth in inches and pounds of total insulation required for this job. 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. Bag dimension 14 x 15 x 28 long or 3 4 cu ft.

This calculator is to be used as an estimating tool only. Use this calculator to determine how many bags of thermoshield insulation you will need to insulate your attic for the optimal energy efficiency. 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.

When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding. Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics. Small gray flat pieces or fibers from newsprint cellulose 3 7 x depth.