Your helper will feed the blown in insulation into the hopper while you work the hose up in the attic photo 5.
How deep should blown insulation be in attic.
Add the right kind of insulation.
Attic insulation is a key to saving energy during the heating season.
This calculator is to be used as an estimating tool only.
The higher the r value the better the thermal performance of the insulation.
Click the button to calculate the approximate r value for this job.
Click the button to calculate the depth in inches and pounds of total insulation required for this job.
Inspecting your attic insulation.
This calculator is to be used as an estimating tool only.
Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live.
Input depth of existing blown in insulation in inches.
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.
The thicker the better.
Input length width and desired r value of the area to be insulated.
The blower should include two 50 ft.
The insulation in your attic should be at least 12 thick.
If your hoses have to wind their way through the house to reach a scuttle the attic access in a hallway or closet lay down tarps along the way.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
How deep to put blown in insulation.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
If your attic insulation is only a few inches thick or if you can see the ceiling joists you re wasting money on your heating and cooling bills.
A poorly insulated attic lets heat escape through the roof wasting energy used to warm.
It is not uncommon to see 15 to 20 of insulation in a well insulated attic.
When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.
You d need a thickness of.