Marine Plywood is suitable for external use and complies with British Standard BS1088. It has a multi-ply construction with high-quality face & core veneers. Features of the 25mm Marine Plywood Guaranteed to be free from core gaps. Sustainably sourced from managed resources. For use in the most demanding of conditions where repeated exposure to moisture is likely. Cut sheet size may vary slightly due to loss of blade width during cutting This 25mm thick plywood is available in sheet sizes up to 8 x 4 ft. We sell the highest quality marine-grade ply that complies with British Standard BS1088. This means it is bonded with Weather Boil Proof (WBP) and made with untreated tropical hardwood veneers to ensure longevity and high levels of weather resistance. 25 mm Marine Plywood 2440 mm × 305 mm (8 ft × 1 ft) is a thick, marine-grade hardwood panel manufactured to BS 1088 standards. Built from premium hardwood veneers and bonded with Weather and Boil Proof (WBP) adhesive, it offers excellent stability and resistance to moisture, making it suitable for wet or humid environments. The smooth, sanded surfaces are ready for painting, varnishing, or laminating. Its narrow, full-length format is ideal for boat decking, wall panels, worktops, trims, and custom joinery where a long continuous length is required.