This calculator is to be used as an estimating tool only.
Attic insulation ammount.
Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary.
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.
This calculator is to be used as an estimating tool only.
Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job.
R value is a measure of insulation s ability to resist heat traveling through it.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
Input length and width of area to be insulated.
Click the button to calculate the depth in inches and pounds of total insulation required for this job.
Loose fill or batt the common term for blanket insulation.
According to the u s.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
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 depth in inches and pounds of total insulation required for this job.
This calculator is to be used as an estimating tool only.
Both can be added to uninsulated attics or layered over existing material.
Input length width and desired r value of the area to be insulated.
The higher the r value the better the thermal performance of the insulation.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Insulation level are specified by r value.
Input length width and desired r value of the area to be insulated.
Rental is often included for free if you purchase a minimum amount of insulation.
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.
The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home.
For diy attic insulation you ve got two choices.