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March 2 - March 6, 2020

What generic types of coatings work best as liquid-applied air barriers, considering both cost and effectiveness, and what should be the dry film thickness of this system?


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From yip L C of united chemicals co pte ltd on March 9, 2020:
Two coats of epoxy over concrete will do the trick as air barrier. Taking cost and effectiveness into consideration, the system is 1) a 40% solids, water-based epoxy primer to saturate the concrete porosity with good flow. The thickness will depend on porosity, and  2) a 100 % solids, solventless epoxy primer body coat at 300 microns.

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Tagged categories: Air barriers; Asia Pacific; Building Envelope; EMEA (Europe, Middle East and Africa); Latin America; North America


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