How Often Should You Add Insulation To Your Attic

The higher the r value the better the thermal performance of the insulation.

How often should you add insulation to your attic.

Insulation levels are specified by r value. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. 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. 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.

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. 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. Standard insulation starts to degrade and start peeling from walls after about 15 years.

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. 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. 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.

If you have an older home chances are the attic insulation is the same insulation that was installed when the house was built. R value is a measure of insulation s ability to resist heat flow. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. Blown in insulation overview.

You can do it yourself for about 500. How often do i need to replace insulation in my attic.