How Much Blown In Attic Insulation Do I Need

If your attic insulation is only a few inches thick or if you can see the ceiling joists you re wasting money on your heating and cooling bills.

How much blown in attic insulation do i need.

The pros charge 1 500 to 2 000 to do a 1 200 sq ft. The thicker the better. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. Add the right kind of insulation.

Whether you need a wall insulation calculator or an attic insulation calculator lowe s blown in insulation calculator has you covered. How much insulation do i need in my attic. Looking to install blown in insulation but don t know how much you need. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.

When adding additional insulation you do not have to use the same type of insulation that currently exists in your. 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. This range varies from a low of 30 for homes with heat pumps or natural gas furnaces in zone 3 i e. 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.

The zone you live in will determine how much insulation you need in your attic. Blown in spray foam batts and blankets. The higher the r value the better the thermal performance of the insulation. Wy mt nh me wi etc.

The insulation in your attic should be at least 12 thick. How much does attic insulation cost. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. It is not uncommon to see 15 to 20 of insulation in a well insulated attic.

Then check out our handy insulation calculator. Blown in insulation overview. You can do it yourself for about 500. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.

Most of ga al ar sc ok etc to a high of 49 for zones 6 8 i e. Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical. Inspecting your attic insulation.