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.

Lay out the insulation begin laying in the insulation starting at an area farthest from the attic access image 1. When rolling the insulation cut it to length using a utility knife. The paper facing on insulation has an asphalt layer which acts as a vapor barrier. Continue laying down the insulation making sure the batts are pressed tightly together at all edge and end joints.

Measure between joists if insulating a floor or attic or studs if insulating unfinished walls to find the correct width for the insulation. Level uneven spots with a rake. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. Blow in insulation until the hopper is empty.

Then pivot in place and do the same thing to the other side. Pull down stair or ladder. 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. Lay the batts across the ceiling joists covering the existing insulation.

Lay a two by four on top temporarily compressing the insulation to a manageable. To cut blanket style insulation place the product over a piece of plywood with its paper or foil side down. Don t push batt or blanket insulation past the top plate at the end of joist runs. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.

Fill every joist space completely and evenly with the insulation leaving attic vents uncovered. Use our roll insulation calculator to estimate how much roll or batt insulation you ll need. Attic hatch or door. 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.

Move across the attic until you ve hit your desired height at every point. Find a pre screened local home insulation contractor. Or pour fill insulation into such areas. Affix rigid foam insulation to the attic side of the hatch or door.

For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6.