Rigid Insulation Under Metal Roof

Fiberglass batts or glass mineral wool metal roof insulation.

Rigid insulation under metal roof.

While placing plywood under a metal roof isn t a requirement it is recommended for some homeowners. Use rigid foam insulation to cover wider spans of roof sheathing between joists. The metal roof has been a very popular roofing material for some time but people have just started using insulation within the roofing system as a means to block out sound and keep heat in. Both materials make a great physical barrier between the interior building and the metal roof.

Foil insulation underlayment is recommended under a metal roof and in most cases the shiny side should be facing up but there s a catch. To help with energy conservation and noise pollution many office buildings and homes use metal roof insulation as a way to cut down on these issues. Avoids nails or screws which could penetrate the metal roof and cause leaks. Installing metal roof insulation is not a difficult project.

Insulating with spray foam insulation. The most common material used for an insulating metal roof is fiberglass batts or glass mineral wool. Plywood helps protect the insulation for when the roof eventually needs to be replaced and it also provides additional soundproofing. The batts are located side to side on the rafter of the roof.