How To Properly Lay Down Insulation In The Attic
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.
How to properly lay down insulation in the attic. Then pivot in place and do the same thing to the other side. The paper facing on insulation has an asphalt layer which acts as a vapor barrier. For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6. Lay the batts across the ceiling joists covering the existing insulation.
Pull down stair or ladder. Level uneven spots with a rake. Attic hatch or door. Use our roll insulation calculator to estimate how much roll or batt insulation you ll need.
When rolling the insulation cut it to length using a utility knife. You only want one vapor barrier in your attic and it should be as close to the ceiling as possible to prevent warm moist air from coming up from the heated house and condensing when it hits the cold air in the attic. Lay out the insulation begin laying in the insulation starting at an area farthest from the attic access image 1. Continue laying down the insulation making sure the batts are pressed tightly together at all edge and end joints.
If you re insulating framed walls make sure the insulation is the correct thickness for your wall studs. When you reach the end of a line pull the insulation back slightly then place it on a joist so there is a solid surface to cut on. Move across the attic until you ve hit your desired height at every point. Blow in insulation until the hopper is empty.
Or pour fill insulation into such areas. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. Affix rigid foam insulation to the attic side of the hatch or door. To cut blanket style insulation place the product over a piece of plywood with its paper or foil side down.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. Don t push batt or blanket insulation past the top plate at the end of joist runs. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. Fill every joist space completely and evenly with the insulation leaving attic vents uncovered.
Find a pre screened local home insulation contractor.