How To Install Insulation In The Attic Rafters

Start in a corner away from the attic hatch and fit the roll insulation between the joists facing against the drywall.

How to install insulation in the attic rafters.

If you have a solid floor covering the roof rafters use the claw end of a hammer to pull the floor up in several locations and blow the insulation under the boards. Continue laying down the insulation making sure the batts are pressed tightly together at all edge and end. Typically you will fill the insulation blower with the insulation and blow it between the attic floor joists. The baffles will allow circulation to continue even though insulation has been installed directly in the path of the rafter air movement.

Then blow another layer on top of the roof rafters. 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. Air circulates from the lower part of the roof overhang through the rafters and out the ridge vent of your roof. Find a pre screened local home insulation contractor.

Rafter vents should be placed in your attic ceiling in between the rafters at the point where your attic ceiling meets your attic floor. Lay the batts across the ceiling joists covering the existing insulation. Unwrap a roll of. Install ventilation baffles into the space between the rafters before you install the insulation usually by stapling into place.

If your house doesn t already have a layer of insulation between the joists you ll need to install one before adding a layer over the joists. Fill every joist space completely and evenly with the insulation leaving attic vents uncovered. How to install rafter insulation 1. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.

Attach baffles to the bottom of the roof sheathing the plywood or solid wood strips onto which roofing material. Attach the insulation to the rafter scab board by the paper flange so as not to compress the fiberglass. Attic rafter insulation facts and tips installation if you have a pitched roof with an attic space one of the simplest ceiling insulation methods is to lay a quilt mineral fibre glass fibre hemp sheepswool materials are all capable of satisfying the performance requirements of the scheme. Use 3 8 inch heavy duty staples every six inches.

It is important to ensure that the quilt is installed. Level uneven spots with a rake.