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Build Expert™ Bryan Uhler provides an in-depth walkthrough of a comprehensive foundation waterproofing system tailored for challenging, moisture-prone sites like those in the Pacific Northwest. He details the use of Polyguard’s suite of products—such as Blue Barrier Gap Filler, Stretch Flex, dimple mats, and Stay Put Quick Grip LVOC spray adhesive—to protect unvented crawlspaces and ensure long-term durability. Bryan emphasizes the importance of understanding site-specific elevations, hydrostatic pressure, and proper backfill levels when planning waterproofing systems. He also shares practical advice on product application methods, installation planning with crews, and the benefits of choosing low-VOC, Green Guard-certified materials. Bryan stresses that starting from the foundation up with a robust, well-integrated system is key to building dry, durable, and healthy homes.