Bostik Vapor-Lock Urethane Adhesive is a high-performance, moisture-control wood flooring adhesive designed to provide a strong, durable bond while protecting against subfloor moisture vapor. Formulated with advanced urethane technology, it offers excellent adhesion for engineered, solid, and parquet hardwood flooring, helping ensure long-lasting installation stability. Vapor-Lock also functions as a built-in moisture barrier, reducing the risk of damage caused by moisture transmission from the subfloor. Easy to spread and ideal for both residential and commercial applications, this adhesive delivers professional-grade performance, reliable coverage, and peace of mind for even the most demanding flooring projects.