DAP DYNAFLEX 230 100% waterproof window， door， siding and trim sealant is a premium elastomeric sealant with silicone like toughness to withstand the elements. Combines outstanding durability， adhesion and flexibility with easy tooling， paintability， low odor and water clean-up. Highly flexible to handle joint movement without cracking， crumbling or losing adhesionIdeal for sealing around window and door frames， siding and trim both inside and out.
100% waterproof and weather proof
Silicone tough and crack proof
Superior flexibility and adhesion
Ideal for composite wood and PVC trim board
Easy clean-up with water and has low odor
Exterior/interior use
Exceeds ASTM C920， class 25
Cured sealant is mold and mildew resistant
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