How Deep Should Blown Insulation Be In Attic

How deep to put blown in insulation.

How deep should blown insulation be in attic.

First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Inspecting your attic insulation. Your helper will feed the blown in insulation into the hopper while you work the hose up in the attic photo 5. 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.

The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. Hoses that you can connect and snake into the attic. 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.

The thicker the better. The blower should include two 50 ft. Input length width and desired r value of the area to be insulated. Add the right kind of insulation.

Input depth of existing blown in insulation in inches. Attic insulation is a key to saving energy during the heating season. This calculator is to be used as an estimating tool only. Click the button to calculate the approximate r value for this job.

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. The higher the r value the better the thermal performance of the insulation. This calculator is to be used as an estimating tool only. 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.

Click the button to calculate the depth in inches and pounds of total insulation required for this job. Achieving greater r values in attics the higher the r value the better the thermal performance of the 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. A poorly insulated attic lets heat escape through the roof wasting energy used to warm.