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Article content provided by Johns Manville.

After years of patching a failing high school rooftop duct insulation system, a local Chicago-based installer was finally able to completely replace the system, putting XSPECT® ISOfoam APF board to work for a solid and long-lasting solution.

Bonded to a foil facer on both sides, XSPECT is a closed-cell polyisocyanurate foam core board. The foil facer acts as an excellent vapor-retarder and together with the closed cell foam, the product creates a tightly sealed system. Lightweight and easy to install, XSPECT is perfect for applications such as rooftop ducts, HVAC equipment, refrigerated transportation, railcars and storage vessels.

Learn more about XSPECT ISOfoam APF board and its benefits.

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Johns Manville supports contractors with productivity-enhancing and performance-enhancing mechanical products, including duct, pipe, and building insulations.