Marine Putty Filler in quart size is a heavy-duty, waterproof repair compound specially formulated for use in marine environments. Designed to bond securely to fiberglass, wood, metal, and gelcoat, this high-performance filler is perfect for repairing boat hulls, decks, and other water-exposed surfaces. It resists shrinking, cracking, and water intrusion—ensuring long-lasting durability above or below the waterline.
This marine-grade putty features a smooth, spreadable consistency that cures quickly and sands easily to a clean, paintable finish. Whether you’re patching dents, fixing stress cracks, or restoring structural integrity, the Marine Putty Filler delivers exceptional strength and weather resistance for both DIY and professional marine repair projects.