DuPont Performance Building Solutions brings together the power of two construction leaders: DuPont™ Tyvek® Building Envelope Solutions and Dow Building Solutions. It also merges a comprehensive product portfolio that addresses the interior and exterior building envelope with solutions for managing air, water and thermal needs. Builders, contractors and installers can count on Styrofoam™ and Thermax™ branded insulations, Tyvek® weatherization barriers, Great Stuff™ and Great Stuff Pro™ foams and sealants as well as DuPont™ Flashing systems when looking to construct energy efficient, durable structures. These products are backed by the support of our national DuPont™ Specialist Network and the building science of our Building Knowledge Center staff.