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Waterborne Topcoats Deliver Long-Lasting Protection
Kynar Aquatec® PVDF latex, an innovative platform of emulsions used in premium waterborne roof coatings, is making a strong contribution to achieving the sustainable and high-performance construction goals at the world’s first commercial spaceport located in the U.S. Southwest. A visionary project of the New Mexico Space Authority and home to Virgin Galactic’s spaceflight program, Spaceport America’s smooth, spaceship-like design blends the feeling and mystery of space flight with the color and character of the surrounding desert landscape. Even more impressive than the structure’s iconic design is the fact that the architects hope to earn a LEED Gold® rating. A notable feature of the spaceport’s magnificent 10,200 m2 terminal hanger facility is a uniquely shaped, 18 m high rolling roof consisting of 12 primary undulating steel trusses spanning over 55 m with a 13.7 m cantilever at the eastern edge. The roof assembly installed by Progressive Roofing LLC consists of 8,300 m2 of 60-mil EPDM membrane adhered to cover foam board, three layers of 50 mm ISO, and numerous layers of protective coatings. Kymax® is a thin-build elastomeric coating that provides long-term color stability, resistance to dirt build-up, and protection against severe weather conditions. The coating is based on Kynar Aquatec® PVDF latex, an emulsion-based technology developed by Arkema Inc. that provides similar durability and performance as Kynar 500® PVDF resin-based coatings. However, unlike factory-applied Kynar 500® resin-based coatings, coatings based on Kynar Aquatec® latex cure at ambient temperatures, meaning they can be field applied to a variety of substrates and as a finish coat over acrylic basecoats.
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