Installing Roof Insulation Batts

Check the joist width to determine the correct insulation batt width.

Installing roof insulation batts.

Use a staple gun and. Installing right to the edges. Pink batts insulation should always be cut slightly oversize to ensure a friction fit. Check that you have the correct r value required on the drawings plans.

Fit first then cut to length. However you need to leave an air gap of 20mm between the insulation and your roof. Here s how fill all voids. Fit the insulation into the framing cavity starting at the top for walls.

Staple the insulation flanges securely to the sides or bottom of the joists called inset stapling. Insulation should be installed right to the eaves so the batt is 50mm over the outside wall. Ensure you have the right product for the application for your roof insulation installation. Fit batts tightly around electrical cables and boxes.

7 position the batt of insulation at the outer edge of. Fit the insulation batts into the joists with the kraft paper vapor retarder facing against the sub floor. The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses. Place the insulation with the.

Flatten the tabs against the front edge of the stud on each side of the batt. Cut batts to. Lay plywood or other material across the ceiling joists in the attic to serve as temporary flooring while you install the insulation batts. Cut the insulation roll or batt to fit the length of the framing cavity if necessary.

Tear the batt in. In a framed roof the ceiling joists are usually spaced at 450mm centres and the pieces will fit tightly between the joists. Unfold the mounting tab along each vertical edge of the batt. Fastening insulation gently press the insulation between two studs with its moisture barrier facing out toward the room.

Push batts all the way to the back of each stud space and then pull out the front edges until they re. Standard r3 5 ceiling insulation batts are 185mm thick so depending on the roof pitch the batts may touch the underside of your roof at. If you are not 100 confident with installing insulation lowe s recommends that you hire a professional.