Adding Bats Of Insulation To Attic

Make sure you use an unfaced batt one without a paper or foil layer so the insulation does not trap moisture in the ceiling.

Adding bats of insulation to attic.

Lay the batts perpendicular to the joists so. Measure how much insulation you already have. Loose fill or batt the common term for blanket insulation. How much does attic insulation cost.

Blanket insulation is available as batts or rolls and is the easiest diy insulation material. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. Blown in insulation thickness can vary in an attic space. Blowing attic insulation isn t hard but it s dusty sweaty work.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. The r factor of blown in fiberglass is usually 2 3 to 2 8 per inch of material. This type of insulation. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.

Check the depth using a tape measure. Put on goggles and gloves to protect yourself while handling. How to install attic insulation over existing insulation wear a long sleeve shirt gloves eye protection and a dust mask. Install fiberglass batts over existing batt insulation.

If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. To make insulating an attic easier grab a helper and set aside two days. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation.

The problem with batts however is that they don t work well because they don t fill the space well. For the best performance an insulation material needs to fill the whole space with no gaps voids compression or incompletely filled areas. Cotton batts though are cool because they re made of recycled blue jeans. This will lead to non uniform r values.

One for attic prep and the second to actually blow the insulation. For diy attic insulation you ve got two choices. How do i add insulation to existing attic insulation. You can do it yourself for about 500.

It s available in fiberglass mineral wool plastic fibers and natural fibers. Once installed and expanded to the uniform manufactured thickness batts offer a known r factor.