Rigid Insulation Under Metal Roof

Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive.

Rigid insulation under metal roof.

Nail it around the edges with roofing nails. 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. Start at the bottom of the roof and place the first piece of rigid foam insulation against the metal flashing starting at the center line. Now let s go over your options.

Metal roof insulation options. In order to add moisture barrier under metal roof you can spray the undersides of the roof by using a thick layer of polyurethane spray foam. You have multiple options when it comes to choosing metal roofing insulation. Avoids nails or screws which could penetrate the metal roof and cause leaks.

Foil insulation is a radiant barrier and it works by. Polyurethane spray foam metal roof insulation.