What are the most effective ways to prevent delamination in marine-grade plywood landscape bar counters?

Marine-grade plywood is renowned for its water-resistant properties, making it ideal for outdoor bar counters in landscape settings. However, even this durable material can succumb to delamination if not properly protected. The most effective prevention strategy begins with comprehensive sealing. All surfaces, especially cut edges, must be sealed with high-quality, UV-stable marine varnish or epoxy resin. Apply multiple thin coats rather than one thick layer, allowing proper drying time between applications. Pay particular attention to edge grain, which absorbs moisture more readily than face grain. Using waterproof adhesives during construction is crucial, as standard wood glues may fail when exposed to constant moisture. For maximum protection, consider applying a solid surface or stone veneer to the top, creating a physical barrier between the plywood and standing water. Proper installation is equally important; ensure the counter has adequate slope for water runoff and is mounted with sufficient ventilation beneath to allow drying. Regular maintenance, including inspecting the sealant for cracks and reapplying protective coatings annually, will significantly extend the bar counter's lifespan. By combining these meticulous sealing, construction, and maintenance practices, you can effectively prevent delamination and enjoy a beautiful, functional marine plywood bar counter for years to come.