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.
You have multiple options when it comes to choosing metal roofing insulation.
Metal roof insulation options.
Use rigid foam insulation to cover wider spans of roof sheathing between joists.
Avoids nails or screws which could penetrate the metal roof and cause leaks.
Now let s go over your options.
Foil insulation is a radiant barrier and it works by.
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.
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.
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.
Nail it around the edges with roofing nails.