Installing Roof Insulation Batts

Fit the insulation into the framing cavity starting at the top for walls.

Installing roof insulation batts.

Insulation should be installed right to the eaves so the batt is 50mm over the outside wall. Pink batts insulation should always be cut slightly oversize to ensure a friction fit. Push batts all the way to the back of each stud space and then pull out the front edges until they re. Installing right to the edges.

Fastening insulation gently press the insulation between two studs with its moisture barrier facing out toward the room. Lay plywood or other material across the ceiling joists in the attic to serve as temporary flooring while you install the insulation batts. Split batts to fit around electrical cables. 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.

Flatten the tabs against the front edge of the stud on each side of the batt. Pink batts ceiling insulation is 1220 x 432mm. However you need to leave an air gap of 20mm between the insulation and your roof. Fit batts tightly around electrical cables and boxes.

Cut the insulation roll or batt to fit the length of the framing cavity if necessary. Check that you have the correct r value required on the drawings plans. If you are not 100 confident with installing insulation lowe s recommends that you hire a professional. 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. Cut batts to. Unfold the mounting tab along each vertical edge of the batt. Place the insulation with the.

Make sure the insulation fits snugly so that there is no air space between the flooring and the insulation. Fit first then cut to length. Here s how fill all voids. Ensure you have the right product for the application for your roof insulation installation.

Check the joist width to determine the correct insulation batt width. The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses. Fit the insulation batts into the joists with the kraft paper vapor retarder facing against the sub floor.