Installing Roof Insulation Batts

However you need to leave an air gap of 20mm between the insulation and your roof.

Installing roof insulation batts.

If you are not 100 confident with installing insulation lowe s recommends that you hire a professional. Lay plywood or other material across the ceiling joists in the attic to serve as temporary flooring while you install the insulation batts. Use a staple gun and. Ensure you have the right product for the application for your roof insulation installation.

The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses. Staple the insulation flanges securely to the sides or bottom of the joists called inset stapling. 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. Fastening insulation gently press the insulation between two studs with its moisture barrier facing out toward the room.

Flatten the tabs against the front edge of the stud on each side of the batt. Unfold the mounting tab along each vertical edge of the batt. Make sure the insulation fits snugly so that there is no air space between the flooring and the insulation. Push batts all the way to the back of each stud space and then pull out the front edges until they re.

Place the insulation with the. Fit the insulation into the framing cavity starting at the top for walls. Fit first then cut to length. In a framed roof the ceiling joists are usually spaced at 450mm centres and the pieces will fit tightly between the joists.

Check the joist width to determine the correct insulation batt width. Fit batts tightly around electrical cables and boxes. Tear the batt in. Fit the insulation batts into the joists with the kraft paper vapor retarder facing against the sub floor.

Cut the insulation roll or batt to fit the length of the framing cavity if necessary. Cut batts to. Check that you have the correct r value required on the drawings plans. Split batts to fit around electrical cables.

Here s how fill all voids. Pink batts insulation should always be cut slightly oversize to ensure a friction fit. Pink batts ceiling insulation is 1220 x 432mm.