How Often Should You Add Insulation To Your Attic

You can do it yourself for about 500.

How often should you add insulation to your attic.

The pros charge 1 500 to 2 000 to do a 1 200 sq ft. Foam insulation can settle after a year and may need to be replaced to keep it fluffy and insulating properly. While some insulation is built to last years there are times when you need to replace your insulation or add on more insulation to it. The higher the r value the better the thermal performance of the insulation.

Blown in insulation overview. You ll know it needs to be replaced if there are insulation leaks or if it is peeling from the walls. 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. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.

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. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. If you have an older home chances are the attic insulation is the same insulation that was installed when the house was built. Insulation should also be replaced in some cases sooner than 15 years if it is no longer doing its job properly.

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. 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. How often do i need to replace insulation in my attic. Standard insulation starts to degrade and start peeling from walls after about 15 years.

It may also qualify you for rebates with your utility company but before making that call hvac experts recommend looking at exposed insulation in your attic. Insulation levels are specified by r value.