DAP DynaFlex 920 Premium Exterior Elastomeric Sealant delivers professional-grade sealing performance for demanding outdoor applications. This advanced elastomeric formula provides superior flexibility and adhesion on wood, vinyl, aluminum, masonry, and most common building materials. The 10.1 oz cartridge format works with standard caulk guns for efficient application on siding gaps, window and door frames, trim work, and exterior joints.
The premium formulation resists cracking, shrinking, and weathering while maintaining elasticity through extreme temperature cycles. DynaFlex 920 offers excellent paintability and is available in multiple colors to match common exterior finishes. This sealant meets ASTM C920 elastomeric joint sealant standards and provides long-lasting weatherproof protection for residential and commercial exterior sealing projects.
Perfect for contractors working on new construction, renovation, and maintenance projects where reliable exterior sealing is critical. The elastomeric properties make it ideal for joints subject to movement from thermal expansion, settling, or wind loads.