How Often Should You Add Insulation To Your Attic

How often do i need to replace insulation in my attic.

How often should you add insulation to your attic.

The higher the r value the better the thermal performance of the insulation. But if you ve got an unfinished attic giving it proper insulation is one of the simplest ways to keep a lid on your heating bill this season. Attic floor insulation works as the main barrier to prevent heat from escaping when it spreads to the attic through a process called thermal flow. It s a diy project you can tackle in a weekend and the savings you ll get add up every year says toh general contractor tom silva.

Insulation levels are specified by r value. Standard insulation starts to degrade and start peeling from walls after about 15 years. R value is a measure of insulation s ability to resist heat flow. Blown in insulation overview.

If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. If your insulation doesn t measure up and you need more installation can be done as a weekend diy project or you can call a professional installer to handle the job. You ll know it needs to be replaced if there are insulation leaks or if it is peeling from the walls. If you have an older home chances are the attic insulation is the same insulation that was installed when the house was built.

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. How much does attic insulation cost. Foam insulation can settle after a year and may need to be replaced to keep it fluffy and insulating properly. You can do it yourself for about 500.

The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. Insulation should also be replaced in some cases sooner than 15 years if it is no longer doing its job properly.