Marine Ply Board 18mm

REDUCED – SLIGHT WATER DAMAGE

Marine Ply Board 18mm gives you a strong hardwood plywood sheet designed for wet and demanding environments. Each 1220×2440mm board offers a dense and stable core that supports structural and joinery work. Builders choose this material for projects that need high durability and improved resistance to moisture.

The board is made from bonded hardwood veneers that create a solid and reliable structure. This layered design reduces movement and helps each sheet stay firm during installation. You can cut, drill and fix the material with standard tools. Marine Ply Board 18mm suits boat building, exterior joinery, bathrooms, utility rooms and general construction tasks where strength and reliability matter.

The dense hardwood core gives excellent screw-holding strength and reduces the risk of splitting. This makes the sheet suitable for flooring bases, cladding, storage units, worktops and reinforced structures. The faces sand smoothly, which helps when you need a clean finish before painting or sealing. To achieve full waterproof performance, you must seal all edges and faces with a suitable marine-grade coating.

Tradespeople value the consistent quality across every board. Each sheet carries the same thickness and density, which helps maintain accuracy across larger builds. This supports clean edges, firm fixing points and an even finish. Homeowners also use the sheets for DIY projects that need robust material with long-lasting performance. The plywood stays stable under load and works well for both permanent and semi-structural tasks.

This plywood is a dependable option for environments where moisture is a concern. The material supports a wide range of construction, interior and exterior uses. If you need additional sheet materials, explore our full range of timber supplies or browse all sheet materials. For expert guidance on marine plywood standards and correct use, visit the TRADA timber advice.