Dymonic 100 is a high-performance, non-sag polyurethane sealant for durable, flexible sealing in moving joints. It adheres to damp concrete and works for expansion joints, perimeter caulking, and fluid-applied flashing. With +100/-50% movement, UV resistance, and low-VOC properties, it won’t crack or yellow. It skins in 2 hours and is compatible with Tremco coatings.
