BASF and Carlisle SynTec have teamed up to produce a roofing system that provides extra protection against leaks at commercial facilities with flat or low-pitch roofs. BASF has combined its spray polyurethane foam insulation with Carlisle's EPDM single-ply rubber roofing membrane. The foam is applied first, and then the membrane is added. "You've got the best of both worlds -- a very, very tough membrane coating and a very good spray foam underneath it acting as the insulation, air sealer and flashing product," said Michael Sievers, the business manager for BASF's spray polyurethane systems.

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