How Much Cellulose Insulation In Attic

How much does attic insulation cost.
How much cellulose insulation 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. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. The two distinct types of attic insulation are loose fill material also commonly known as blown in insulation and batting. Generally speaking a higher r value means better insulating properties.
The recommended r value for attic insulation in ontario is between r 50 and r 60. Inspecting your attic insulation. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics.
R values of common types of insulation. 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. Blown in insulation overview. Cellulose insulation can settle by as much as 20 percent depending on how it is installed.
When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding. This could leave gaps in a wall as the insulation compacts vertically or it could leave space between a floor and the insulation beneath it.