DAP Premium Polyurethane Construction Sealant is a high-performance, one-part commercial-grade sealant ideal for sealing exterior gaps, joints, and cracks. This moisture-curing, non-sag elastomeric sealant offers superior adhesion to most substrates and remains flexible to accommodate up to 70% joint movement. Designed for durability, it resists cuts and tears, withstands foot and vehicle traffic, and is suitable for use above or below the waterline—including potable water applications. Perfect for demanding construction and outdoor sealing projects.