BC9000 provides a moisture barrier up to 99% RH or 20 lb CaCl test, delivering powerful protection against moisture intrusion. This 2-part epoxy resin seals existing adhesive residues, creating a stable surface for flooring installation. It also prevents plasticizer migration, helping maintain long-term flooring integrity. With easy application and low VOC content, BC9000 supports both performance and environmental responsibility. PrepWorx BC9000 – seal, protect, and prep with confidence.