Howmutch Insulatio Should Be In An Attic

Affix rigid foam insulation to the attic side of the hatch or door.

Howmutch insulatio should be in an attic. Fiberglass is probably the most common type of insulation but be careful when handling it and. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. Protect access spots attic hatch or door.

Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 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. To make insulating an attic easier grab a helper and set aside two days.

It is not uncommon to see 15 to 20 of insulation in a well insulated attic. Add the right kind of insulation when adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. This range varies from a low of 30 for homes with heat pumps or natural gas furnaces in zone 3 i e. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.

You can do it yourself for about 500. Most of ga al ar sc ok etc to a high of 49 for zones 6 8 i e. 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. Pull down stair or ladder.

What type of insulation should i use in my attic. Batt and blanket insulation. How much does attic insulation cost. If your insulation doesn t measure up and you need more installation can be done as a weekend diy project or you can call a professional installer to handle the job.

Add weatherstripping around the. Blowing attic insulation isn t hard but it s dusty sweaty work. The insulation in your attic should be at least 12 thick. 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.

Wy mt nh me wi etc. The thicker the better. The zone you live in will determine how much insulation you need in your attic. Use unfaced insulation when adding more insulation to an attic that already has some insulation laying the rolls or batts at right angles to the floor joists.