How Much Insulation Should I Have In Attic

R value is a measure of insulation s ability to resist heat flow.

How much insulation should i have in attic.

It is not uncommon to see 15 to 20 of insulation in a well insulated attic. How much should i add. Blowing attic insulation isn t hard but it s dusty sweaty work. Check the attic walls and floors adjacent to an unheated space like a garage or basement.

Fiberglass and cellulose insulation have r values of 2 9 to 3 8 per inch while sprayed foam insulation can go as high as 8 0 per inch. The structural elements are usually exposed in these areas which makes it easy to see what type of insulation you have and to measure its depth or thickness inches. To make insulating an attic easier grab a helper and set aside two days. To prevent heat loss the attic space should be well insulated.

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 insulation in your attic should be at least 12 thick. One for attic prep and the second to actually blow the insulation. According to home advisor insulating your attic can cost between 1700 to.

The short answer is as much as you can get and a good rule of thumb is to have a r value of 38 in your attic. Department of energy it s recommended that attics have an r 38 to r 49 or about 12 to 15 of fiberglass or cellulose insulation. According to the u s. The higher the r value the better the.

How much insulation do i need in my attic. The thicker the better. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Keep reading for the details.

The pros charge 1 500 to 2 000 to do a 1 200 sq ft. 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. You can do it yourself for about 500. But if you can t afford to shell out a few hundred bucks for this service never fear.

How much does attic insulation cost. Learn more about insulation r values. If your attic insulation covers your joists and is distributed evenly you probably have enough. To see how to add insulation out to the eaves see installing rafter vents.

Inspecting your attic insulation. But how much insulation is enough for the attic. The higher the r value the better the thermal performance of the insulation. We ve rounded up all the most important know how about attic insulation costs products prep work and installation right here.

R value is a measure of insulation s ability to resist heat traveling through it. Expect to pay an attic insulation installer about 70 per hour. In some cases you may also need the expertise of an electrician to safely insulate around junction boxes or cables. Insulation level are specified by r value.

Expect to pay an additional 85 per hour for this service.