The r value of loose fill cellulose is r 3 2 to 3 8 per inch2.
R value for attic insulation blown in.
Click the button to calculate the depth in inches and pounds of total insulation required for this job.
Where you live different climates require different insulation r values.
There are many ways to retrofit a home with fiberglass and.
Not sold in stores.
Attic insulation for homes that are situated in cold climates homeowners need to ensure that they have a minimum of r 49 in their attics this is equivalent to about 16 inches of fibreglass insulation.
When blown into attics and wall spaces loose fill fiberglass offers an average r 2 5 thermal value per inch the higher the number the greater the insulating effect.
As you can see there s some variation in r value depending on the particular type and brand of products used.
36 bags by tap pest control insulation.
Your home s age if your home is more than 10 year old you likely need more insulation.
Depending on where you live it s recommended that attics have a minimum r value of r 30 in warm climates to r 60 in cold climates.
Achieving the desired r value depends on both the depth of the insulation and its density.
Add insulation to attic.
Tap epa registered pest control blown in insulation 30 lbs.
Loose fill fiberglass has an r value of r 2 2 to 2 7 per inch3.
Input depth of existing blown in insulation in inches.
You d need a thickness of.
This calculator is to be used as an estimating tool only.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
This calculator is to be used as an estimating tool only.
Existing 3 4 inches of insulation.
You will need a higher r value of insulation if you live in the northeast than if you live in southern california.
Click the button to calculate the approximate r value for this job.