How To Put New Insulation In Attic

Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.

How to put new insulation in attic. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. Work from the perimeter of the attic toward the door or hatch so that you don t trample all over the insulation you just put in. Typically this is done either by placing batt or roll insulation in between the ceiling joists or by using a blower to blow loose fill insulatio n in between the joists. Wood joists must be covered to allow the air to move.

With a helper to load the blower with insulation as needed start at the perimeter of the attic and work toward the attic access door. Lay the batts across the ceiling joists covering the existing insulation. Find a pre screened local home insulation contractor. You should install two layers of insulation in your attic.

Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. Blow in insulation until the hopper is empty. Fill every joist space completely and evenly with the insulation leaving attic vents uncovered. Level uneven spots with a rake.

The first layer will sit between the joists and the second layer will run perpendicular over the joists. A new rebate program encourages dwp customers to install. New dwp incentive program launches the los angeles department of water and power building downtown. Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and to prevent thermal bridging the heat loss that occurs through the wood framing.

For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Move across the attic until you ve hit your desired height at every point. The first layer should have the facing against the drywall to act as a vapor barrier.