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 adhesion Ideal 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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