Rigid Foam Insulation Under Metal Roof

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.

Rigid foam insulation under metal roof.

Owens corning insulation products help improve thermal performance and control moisture in commercial institutional and. Foil insulation is a radiant barrier and it works by. Avoids nails or screws which could penetrate the metal roof and cause leaks. 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. Use rigid foam insulation to cover wider spans of roof sheathing between joists. Wall insulation foam boards are much less dense than roof boards so be careful when choosing your product.