Rigid Insulation Under Metal Roof

Metal roof insulation options.

Rigid insulation under metal roof.

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

Whether you re installing a new roof or would just like to add insulation under the existing metal roofing our team will present you with your options and get the job taken care of once you decide. 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. 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.

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