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This article first appeared in the September 2018 issue of Pro Builder.

Icynene ProSeal HFO is a high-performance, low global warming potential, closed-cell spray polyurethane foam designed to reduce heating and cooling energy demands by sealing the building envelope. The high-density formulation is suitable for application across all climate zones. ProSeal HFO meets FEMA’s requirements for flood-resilient building materials and meets or exceeds all current building codes.

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