How Much Blown In Attic Insulation Do I Need

It is not uncommon to see 15 to 20 of insulation in a well insulated attic.

How much blown in attic insulation do i need.

Handy homeowners can install blown in insulation in the attic. Wy mt nh me wi etc. 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. Inspecting your attic insulation.

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. Add the right kind of insulation. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. Most of ga al ar sc ok etc to a high of 49 for zones 6 8 i e.

The higher the r value the better the thermal performance of the insulation. Then check out our handy insulation calculator. You can do it yourself for about 500. 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.

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

The zone you live in will determine how much insulation you need in your attic. 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. Blown in spray foam batts and blankets.

How much does attic insulation cost. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. Whether you need a wall insulation calculator or an attic insulation calculator lowe s blown in insulation calculator has you covered. This range varies from a low of 30 for homes with heat pumps or natural gas furnaces in zone 3 i e.

The insulation in your attic should be at least 12 thick. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.