How To Install Roof Insulation Batts

The batts are located side to side on the rafter of the roof.

How to install roof insulation batts.

Push insulation out towards eaves so the end of the first segment is 50mm into the wall plate. The right way to insulate attics and cathedral ceilings with batts using certain t. Both materials make a great physical barrier between the interior building and the metal roof. Standing on your step ladder feed the first piece of insulation between the ceiling joists until it is laid flat.

The key to a quality insulating job is tight fitting batts that completely fill the stud cavity with no voids or gaps. For best results install the insulation with the top surface up. Run the unfaced strips perpendicular to the joists and butt each strip tightly together to form an airtight blanket of insulation. If there is already insulation between the joists increase the r value by installing unfaced roll insulation right on top.

In new homes we recommend installing a combination of foil faced roofing blanket and roof batts if you live in an existing home then consider installing another layer of roof insulation on top of the existing batts. However you need to leave an air gap of 20mm between the insulation and your roof. 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 the edges of your ceiling. You can do top quality work with only a few basic tools.

Fiberglass batts or glass mineral wool metal roof insulation. Make sure to keep it away from any lights. Check the joist width to determine the correct insulation batt width. Fit insulation tightly between joists but do not compress insulation.

Push batts all the way to the back of each stud space and then pull out the front edges until they re flush with the face of the studs. Keep measuring cutting and installing until all of your roof has been covered. When installing energise each batt by giving it a light shake and gently bouncing it on its side to help the batt expand to the thickness specified on the label. Use wooden rod or other non conductive poker.

430mm or 580mm work progressively around the perimeter of the building room. Installinsulation diyrenovations ceilinginsulation homeinsulation andrew from pricewise insulation shows you how to install ceiling insulation batts in a. Insulation should be installed right to the eaves so the batt is 50mm over the outside wall.