Fire Blocking Expanding Polyurethane Foam Sealant More Cost-Effective Than Standard Fiberglass and Caulks RectorSeal®, Houston, a leading manufacturer of quality HVAC/R and plumbing tools and accessories, and a wholly-owned subsidiary of CSW Industrials, Inc. [NASDAQ: CSWI], has introduced Draft-Block™ Orange, a fire blocking expanding polyurethane foam sealant for use by trade professionals across North America. […]

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