FAQ - Insulation
How much floor insulation should I add?
The U.S. Department of Energy recommends that floors in warm climate zones be insulated with an R-11 value, or insulation that is 3 ½-inches thick.
Why is floor insulation important?
The first floor of your home makes up a huge part of your home’s thermal envelope. Proper floor insulation reduces the temperature variation inside by blocking the transfer of heat through the floor, meaning heat doesn’t escape in the winter.
How much exterior wall insulation should I add?
The amount of wall insulation you need is based on the size of your walls and the type of insulation that you and your contractor decide to install. Generally, exterior walls should be insulated to at least R-13.
Why is wall insulation important?
Wall insulation, like attic or floor insulation, is used to keep your indoor climate in and the outdoor climate out. If you’ve been in an old house, then you know how drafty they can feel, or even the opposite, how stale the air can feel. One of the ...
How much attic insulation should I add?
The recommended insulation level for most attics is around R-38, or about 10 to 14 inches, depending on insulation type.
Why is attic insulation important?
Attic insulation helps your home conserve energy by slowing down heat loss and heat gain, and reduces the size of heating and cooling equipment needed.
What is an R-value?
Insulation levels are rated by R-values which measure insulation’s ability to resist heat flow. The higher the R-value, the better the thermal performance of the insulation.
What does insulation do?
Insulation protects the conditioned areas in your home from the unconditioned areas. Translation: It prevents outdoor temps from disturbing the temperature you’re enjoying inside as well as keeping the unpleasant temps of, say, a hot and humid attic ...
Why is floor insulation important?
The first floor of your home makes up a huge part of your home’s thermal envelope. Proper floor insulation reduces the temperature variation inside by blocking the transfer of heat through the floor, meaning heat doesn’t escape in the winter.