How To Amp Up Attic Insulation Depth

R value is a measure of insulation s ability to resist heat traveling through it.

How to amp up attic insulation depth.

In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. For loose fill cellulose this translates to a total depth ranging from 8 inches. Handy homeowners can install blown in insulation in the attic.

Pricing can vary based on thickness and material but it s generally 0 15 to 0 50 cents per square foot. The higher the r value the better the thermal performance of the insulation. The table below shows what levels of insulation are cost effective for different climates and locations in the home. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.

Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. If your attic just needs a top up you can apply a second layer of batting perpendicular to your current one. 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.

Just lay the new batting right on top of your current between joist batting. Affix rigid foam insulation to the attic side of the hatch or door. Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical. When insulating check to make sure that your insulation fits snug to the boards and joists for optimal energy efficiency.

Attic insulation using fiberglass mary has a four bedroom detached house 150m2 in size. You can expect an r value of 3 1 to 3 8 per inch. Attic hatch or door. Pull down stair or ladder.