Additional testing confirms superior performance of Tyvek® water resistive barriers

Construction Consulting Laboratory International (CCLI), in Carrollton, Texas, conducted ASTM E331 Water Infiltration Testing on exterior mockup walls protected by DuPont™ Tyvek® Building Envelope Solutions to confirm the results of similar testing conducted on behalf of DuPont. The test structure was constructed by professional framing contractors who were familiar with the DuPont™ Tyvek® system and installed according to the manufacturer’s published installation guidelines.

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