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.

Foil insulation is a radiant barrier and it works by. Polyurethane spray foam metal roof insulation. It will help you to eliminate problems that may come when the house becomes extremely cold in the winter and terribly hot in the summer. Nail it around the edges with roofing nails.

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

Metal roof insulation options. You have multiple options when it comes to choosing metal roofing insulation.