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This article first appeared in the PB August 2015 issue of Pro Builder.

Icynene’s portfolio of spray foam insulation includes Classic Max, an open-cell, low-VOC foam that allows for re-entry and re-occupancy four hours after installation—with active ventilation. Classic Max also is an ignition-barrier–free product that the Canadian manufacturer says can smother an attic fire in less than a minute. Classic Plus is a high R-value open-cell spray foam that achieves R-22 in 2x6 wall assemblies. The product also meets prerequisites and may contribute toward points for new-construction LEED certification.

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