Find our products homeowner resources and project guides.
Basement and attic insulation.
Insulate and air seal any knee walls vertical walls with attic space directly behind them in your home as well.
Find insulation at a store near you to get the best insulation for your project plus project guides installation tips and tools.
This usually costs between 1 650 and 2 200.
Roof insulation is usually sprayed between the joists on the roof itself.
The main factors that impact the cost are.
Learn how to choose and install the right insulation for your attic basement garage or other project.
Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary.
Type and material of your insulation.
Contractor or insulation installer s fee.
Square footage of your attic.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Because hot air rises a lot of insulation rightly focuses on insulating the roof of a house.
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.
Before insulating seal any air leaks and make roof and other necessary repairs.
If it is located in a conditioned part of the house also remember to insulate and air seal your attic access.