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.

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. Metal roof insulation options. Avoids nails or screws which could penetrate the metal roof and cause leaks.

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. Use rigid foam insulation to cover wider spans of roof sheathing between joists. 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.

Foil insulation is a radiant barrier and it works by. Nail it around the edges with roofing nails.