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Excellent weathering resistance
Robust and durable
Easy and fast sandable
Sikaflex 290 DC PRO Black 20oz. Unipac Deck Caulking Sikaflex-290 DC PRO is a 1-component polyurethane based joint sealing compound, specifically formulated for caulking joints in traditional timber marine decking. It exhibits excellent weathering resistance and is therefore well suited for highly exposed open joints within the maritime environment. The sealing compound cures to form a flexible elastomer which allows a fast and easy sanding process. Sikaflex-290 DC PRO meets the requirements set out by the International Maritime Organisation (IMO).