How Much Blown In Attic Insulation Do I Need

Add the right kind of insulation.

How much blown in attic insulation do i need.

How much insulation do i need in my attic. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. 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. Most of ga al ar sc ok etc to a high of 49 for zones 6 8 i e.

Blown in insulation overview. Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical. Wy mt nh me wi etc. The pros charge 1 500 to 2 000 to do a 1 200 sq ft.

You can do it yourself for about 500. Inspecting your attic insulation. The zone you live in will determine how much insulation you need in your attic. When you need to add insulation to an attic crawl space or walls of a home the fastest and most cost efficient method is to use blown in insulation.

It is not uncommon to see 15 to 20 of insulation in a well insulated attic. Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass. When adding additional insulation you do not have to use the same type of insulation that currently exists in your. The thicker the better.

The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. How much does attic insulation cost. This range varies from a low of 30 for homes with heat pumps or natural gas furnaces in zone 3 i e. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.

Whether you need a wall insulation calculator or an attic insulation calculator lowe s blown in insulation calculator has you covered. Then check out our handy insulation calculator. The average cost of blown in insulation to achieve an r value of r 38 r 49 is 1 665 with most homeowners spending between 874 and 2 156 or 1 59 per square foot. Blown in spray foam batts and blankets.

Looking to install blown in insulation but don t know how much you need. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons. Handy homeowners can install blown in insulation in the attic.