Closed cell spray foam achieves R-49

From: Huntsman Building Solutions

Huntsman Building Solutions combines a R-value of 7.5 with a 6.5-in. lift to achieve a R-49 in a single pass with its Heatlok HFO High Lift spray foam insulation. It is a two-component, closed-cell polyurethane foam system commonly used as thermal insulation, an air barrier, vapor retarder and water resistive barrier. Leveraging Honeywell’s Solstice Liquid Blowing Agent technology, the fourth-generation, ultra-low global warming potential blowing agent offers superior yield, sprayability, adhesion and reduced gun-clogging while also complying with the Montreal Protocol.

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