Wear a dust mask gloves and a long sleeved shirt when working with insulation.
Calculating attic insulation r value.
How to calculate existing r value in an attic 1.
Fiberglass and other insulation.
Recommended home insulation r values.
The higher the r value the greater the insulation performance.
Department of energy website.
Input depth of existing blown in insulation in inches.
Access the attic through the pull down ladder already installed in your home or with a stepladder placed so you can.
Click the button to calculate the approximate r value for this job.
R value is a measure of insulation s ability to resist heat traveling through it.
The table below shows what levels of insulation are cost effective for different climates and.
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 higher the r value the better the thermal performance of the insulation.
Know exactly how much you need with our project calculators.
When determining how much insulation you need don t guesstimate calculate.
This calculator is to be used as an estimating tool only.
Inspecting your attic insulation.
Insulation level are specified by r value.
To find the r value of the existing insulation in your attic multiply the number of inches of insulation by the r value for your particular type.
Go to the energy savers insulation page on the u s.