Installing Roof Insulation Batts

Unfold the mounting tab along each vertical edge of the batt.

Installing roof insulation batts.

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. Insulation should be installed right to the eaves so the batt is 50mm over the outside wall. Staple the insulation flanges securely to the sides or bottom of the joists called inset stapling. Make sure the insulation fits snugly so that there is no air space between the flooring and the insulation.

Cut the insulation roll or batt to fit the length of the framing cavity if necessary. Fit the insulation into the framing cavity starting at the top for walls. Place the insulation with the. Push batts all the way to the back of each stud space and then pull out the front edges until they re.

Check the joist width to determine the correct insulation batt width. Lay plywood or other material across the ceiling joists in the attic to serve as temporary flooring while you install the insulation batts. Flatten the tabs against the front edge of the stud on each side of the batt. Check that you have the correct r value required on the drawings plans.

Here s how fill all voids. Use a staple gun and. In a framed roof the ceiling joists are usually spaced at 450mm centres and the pieces will fit tightly between the joists. Pink batts insulation should always be cut slightly oversize to ensure a friction fit.

7 position the batt of insulation at the outer edge of. Fastening insulation gently press the insulation between two studs with its moisture barrier facing out toward the room. The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses. Split batts to fit around electrical cables.

Fit the insulation batts into the joists with the kraft paper vapor retarder facing against the sub floor. Installing right to the edges. Pink batts ceiling insulation is 1220 x 432mm. However you need to leave an air gap of 20mm between the insulation and your roof.

Cut batts to. Tear the batt in. Fit batts tightly around electrical cables and boxes.