Water expands in volume by about 9 percent when it freezes, creating a staggering force that can crack a boat engine block, damage fiberglass, split hoses, or destroy a boat’s refrigeration system overnight.
As cold weather approaches, BoatUS dug into its claims data and found that more than three-quarters of winter-related claims involved cracks in the engine block or the exhaust manifolds. Now, the national boating services, safety and advocacy group has available at no-cost a 15-page “Boater's Guide to Winterizing” that can ensure boaters don’t miss a step for any type of boat.
“Boaters up North know they need to winterize, so their freeze claims almost always involve poor winterizing,” said BoatUS Director of Technical Services Beth Leonard. “In the temperate South, the issue can be a case of no winterizing, or relying on a heater when the electricity goes off, usually when you need it most.”
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