How Much Insulation Should I Have In Attic

Insulation levels are specified by r value.

How much insulation should i have in attic.

The higher the r value the better the thermal performance of the insulation. According to the u s. How much should i add. To prevent heat loss the attic space should be well insulated.

We ve rounded up all the most important know how about attic insulation costs products prep work and installation right here. Check the attic walls and floors adjacent to an unheated space like a garage or basement. One for attic prep and the second to actually blow the insulation. Insulation level are specified by r value.

The higher the r value the better the. R value is a measure of insulation s ability to resist heat traveling through it. To make insulating an attic easier grab a helper and set aside two days. In some cases you may also need the expertise of an electrician to safely insulate around junction boxes or cables.

First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. According to home advisor insulating your attic can cost between 1700 to. Blowing attic insulation isn t hard but it s dusty sweaty work. But how much insulation is enough for the attic.

How much does attic insulation cost. Expect to pay an attic insulation installer about 70 per hour. 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. However the real answer is a bit more complex.

The insulation in your attic should be at least 12 thick. The table below shows what levels of insulation are cost effective for different climates and locations in the home. Learn more about insulation r values. R value is a measure of insulation s ability to resist heat flow.

Inspecting your attic insulation. The thicker the better. 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. The pros charge 1 500 to 2 000 to do a 1 200 sq ft.

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

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. Keep reading for the details. 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. 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.