How To Install Insulation Batts In Roof

Pink batts ceiling insulation is 1220 x 432mm.

How to install insulation batts in roof. Fiberglass batts or glass mineral wool metal roof insulation. The most common material used for an insulating metal roof is fiberglass batts or glass mineral wool. However you need to leave an air gap of 20mm between the insulation and your roof. It s best to install insulation in the morning before it gets too hot in the roof space.

Roof insulation helps to reduce energy consumption by preventing heat loss during winter and heat gains during summer. 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. In this article we ll show you how to avoid those mistakes how to cut and fit fiberglass batts and how to work around electrical outlets and cables. Use wooden rod or other non conductive poker.

Use duct tape to seal the seams and further protect against moisture air leaks. Always wear coveralls gloves dust mask and safety glasses because some insulation can be irritating to your skin. However they re often installed poorly and even small gaps can reduce efficiency as much as 25 percent. For best results install the insulation with the top surface up.

Fiberglass batts are the cheapest easiest way to insulate new walls. Batts are often easier and quicker to install because they greatly reduce the amount of cutting required. 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. Pink batts insulation should always be cut slightly oversize to ensure a friction fit.

Batt insulation is similar to roll insulation except that it comes precut in ready to install strips. Push insulation out towards eaves so the end of the first segment is 50mm into the wall plate. In a framed roof the ceiling joists are usually spaced at 450mm centres and the pieces will fit tightly between the joists. Insulation must not be installed in contact with downlights recessed into ceilings.

Check that you have the correct r value required on the drawings plans. The batts are located side to side on the rafter of the roof. The top surface is that facing the front of the pack. According to the manufacturer s instructions install the metal roofing panels over the insulation.

Place the sheets close together but don t let them overlap. Check the joist width to determine the correct insulation batt width. Loose fill insulation sometimes called blown in insulation consists of fluffy bits of fiberglass that are easily spread by hand or. Insulation should be installed right to the eaves so the batt is 50mm over the outside wall.

Both materials make a great physical barrier between the interior building and the metal roof.