Dow Rigid Foam Insulation replaces non-insulating above-grade sheathing products like plywood, fiberboard and OSB, and eliminates the need for additional air barriers such as housewrap.

Dow Spray polyurethane foam insulation expands during installation to fill cavities, gaps, cracks and penetrations throughout the building envelope.

Dow insulation products are installed against the exterior side of the foundation wall.

White Lightning® offers products that permanently fill gaps and cracks to insulate against drafts as well as removable sealants for temporary weather stripping.

For installation convenience and exceptional, long-term performance, the all-in-one ZIP System® R-Sheathing panel provides a new approach to sealing and insulating the building envelope. One panel delivers thermal, air and moisture resistance, while providing excellent strength and durability.