How To Install Insulation In The Attic Ceiling

While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.

How to install insulation in the attic ceiling.

Cut side fin and fold baffle at the measured mark to allow for correct insulation height. To install insulation batts and blankets. The insulation should fit snugly against the subfloor and between the joists. Second story addition with 40 year old r 19 insulation in the attic that could be replaced or added to.

If using insulation with a vapor retardant facing install the material with the vapor retardant side down. Then pivot in place and do the same thing to the other side. But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates. If using faced insulation keep the paper vapor retarder facing up and against the subfloor.

Make sure each run contacts the insulation you installed at the header band joists. For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6. Plan to pull up the flooring and layer new insulation on top of the old. We have a 700 sq.

Lay the batts across the ceiling joists covering the existing insulation. Blow in insulation until the hopper is empty. We are also hopeful of being able to take advantage of. Verify the height allows for 1 inch of required air space.

By covering over major holes with plywood drywall or another suitable material and sealing smaller cracks and crevices with appropriate caulks sealants we can stop the unauthorized flow of conditioned air through your ceilings and through your roof. At the perimeter of the attic lay the insulation up to the roof rafters but keep it away from plywood roof sheathing. Begin at a wall and work toward the center of the attic floor or the entryway carefully placing insulation between joists and ensuring a snug fit. And approximately 550 sq.

Move across the attic until you ve hit your desired height at every point. For all eaves with vents fasten bottom of baffle in place to allow insulation to completely cover the top plate. Continue laying down the insulation making sure the batts are pressed tightly together at all edge and end joints. Because the simplest and cheapest way to insulate an attic is to add material to the floor.

Start at one edge of the crawlspace and install the insulation between the floor joists. Pure eco can seal your attic s air leaks or any air leaks in your ceilings before we install your new insulation.