The R-value of insulation is a measurement of how much heat resistance the material has per inch of depth, so even if the insulation R-value for one material is lower than it is for another ...
A board foot is 1 square foot by 1 inch thick. The thicker your home insulation, the better your house’s temperature can be regulated. With each additional inch of thickness, you should see a ...
It should be checked 15 years after installation. To install blown-in insulation, you would need a blowing machine to get the materials into your attic’s cavities or floor. Blown-in materials tend to ...