Rigid Insulation Under 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.

Rigid insulation under metal roof.

Fiberglass batts or glass mineral wool metal roof insulation. Insulating with spray foam insulation. Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive. 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. Plywood helps protect the insulation for when the roof eventually needs to be replaced and it also provides additional soundproofing. While placing plywood under a metal roof isn t a requirement it is recommended for some homeowners.

Get started choosing your type of insulation today. Avoids nails or screws which could penetrate the metal roof and cause leaks. The batts are located side to side on the rafter of the roof. The most common material used for an insulating metal roof is fiberglass batts or glass mineral wool.