Rigid Foam Insulation Under Metal Roof

Polyurethane spray foam metal roof insulation 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.

Rigid foam insulation under metal roof.

Foamular xps roof insulation for commercial buildings page 5 foamular xps roof insulation for commercial buildings foamular xps insulation is a rigid foam insulation which meets the needs of today s design professionals for a truly sustainable insulation product. Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive. Avoids nails or screws which could penetrate the metal roof and cause leaks. 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.

Use rigid foam insulation to cover wider spans of roof sheathing between joists. Foil insulation is a radiant barrier and it works by. Some foam panel insulation is rigid enough to skip the step of installing a plywood sub roof but these materials are expensive and have weight load restrictions which can be an important consideration for roofs where snow can accumulate.