Rigid Foam Board Insulation Roof

Install nailbase for cladding.

Rigid foam board insulation roof.

Rigid foam insulation also known as insulating boards provide high r values. Between the flat roof insulation and our install of reach radiant barrier insulation on our garage door the shop is now downright comfortable even in the warmer months. Although the r value isn t huge the rigid foam insulation boards do a nice job of keeping the searing heat of the roof from making its way into the sanctified space of the man cave. Rigid insulation layers exterior to existing roof sheathing must provide sufficient thermal insulation r value to control condensation risk see climate specific guidance.

There s a reason polyiso rigid foam insulation is used in more than 70 of commercial roof construction as well as in many residential builds. Attach to deck board. Rigid foam is produced in various size panels 4 ft x 8 ft 4ft x 4ft etc. Install rigid insulation board in multiple layers with joints offset vertically and horizontally between adjacent layers.

All atlas acfoam polyiso insulation boards are qualitymark certified providing consumers an easy way to identify premium products that meet or exceed building codes for the best in roof performance. They keep your home at a comfortable temperature without the need to crank your heat. Install it anywhere from the roof to the foundation. Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency.

The panels need to fit together tightly to help prevent warm air from leaving the top of the building. After the roof deck is prepared the rigid foam boards need to be cut to size to fit snugly together on your roof. R panel is manufactured with a closed cell polyisocyanurate foam core bonded to fiberglass reinforced facers and designed for use over metal nailable and non nailable roof decks with a variety of membrane systems.