Marine plywood's susceptibility to water absorption, rot, and weight penalties has driven the shift to structural PVC foam core. This engineered alternative offers permanent waterproofing via its closed-cell structure, eliminating decay. Its superior strength-to-weight ratio significantly reduces vessel displacement, enhancing performance and fuel efficiency. While the initial material cost is higher, PVC foam provides a lower total cost of ownership through reduced labor, lower resin consumption, and zero maintenance for rot, making it the definitive choice for modern, durable, and high-performance marine applications.
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