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As of 12/15/19, this product has been discontinued. Please see the equivalent product recommendation Willseal 600S.
ExoAir® Flex is a single-component, high performance, gun-grade polyurethane flexible foam that performs as a thermal barrier.
ExoAir® LEF is a single-component, CFC-free, all-season, high performance, gun-grade polyurethane foam that performs as a thermal barrier.
As of 12/15/19, this product has been discontinued. Please contact the Willseal Technical Services department to find a substitute.
As of 12/15/19, this product has been discontinued. Please see the equivalent product recommendation Willseal 600.
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