The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home.
Attic insulation ammount.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
This calculator is to be used as an estimating tool only.
R value is a measure of insulation s ability to resist heat traveling through it.
The higher the r value the better the thermal performance of the insulation.
This calculator is to be used as an estimating tool only.
Loose fill or batt the common term for blanket insulation.
Use unfaced insulation when adding more insulation to an attic that already has some insulation laying the rolls or batts at right angles to the floor joists.
For diy attic insulation you ve got two choices.
Click the button to calculate the depth in inches and pounds of total insulation required for this job.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
Input length width and desired r value of the area to be insulated.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
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.
Inspecting your attic insulation.
Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary.
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.
Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job.
Department of energy it s recommended that attics have an r 38 to r 49 or about 12 to 15 of fiberglass or cellulose insulation.
Input length width and desired r value of the area to be insulated.
This calculator is to be used as an estimating tool only.
According to the u s.
Insulation level are specified by r value.
Click the button to calculate the depth in inches and pounds of total insulation required for this job.
Input length and width of area to be insulated.