Rigid Foam Insulation Metal Roof

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

Rigid foam insulation metal roof.

The roof deck can be plywood metal concrete or wood planks. We took some of our customers most frequently asked questions about metal roofing with insulation and answered them below. Cut each sheet to the best size and fasten it in place with staples or adhesive. Use rigid foam insulation to cover wider spans of roof sheathing between joists.

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. The ratio of insulation above the roof deck or air permeable insulation below the roof deck is a matter of climate and interior conditions. Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive. It can be touted that foam batting material is the best one to pair with metal roof insulation.

Insulation above the roof deck or air vapor impermeable insulation below the roof deck is needed for condensation control in an unvented roof. Wall insulation foam boards are much less dense than roof boards so be careful when choosing your product. Cover wider spans of roof sheathing between joists using rigid foam insulation. Rigid foam insulation installation prepare roof deck.

The bottom layer of a single ply membrane roofing system is the roof deck or substrate. Tips to install metal roof insulation use foam batting. Putting an insulation layer could help you to stay away from this issue.