Need a dependable sheet for wet or humid areas? Our 12mm marine plywood cut to size is precision-machined to your measurements, so it arrives ready to fit. Made from high-quality hardwood veneers and bonded with waterproof glue to BS 1088 requirements, it delivers strength, stability and long service life in moisture-prone spaces.
For larger panels, compare with the Marine Plywood – Full Board option; if you need different thicknesses, see Marine Plywood – Cut to Size.
At 12mm thick, this board balances rigidity with workable weight. Consequently, it suits medium-duty builds where you still need clean finishes and reliable screw-holding.
- BS1088 construction: Durable hardwood veneers with waterproof bonding.
- Custom cut: Enter your sizes for CNC-accurate panels that reduce waste and speed installation.
- Moisture resistant: Designed to resist swelling, delamination and warping in damp areas.
- Smooth faces: Ready to paint, seal, varnish or laminate.
- Consistent core: Low voids for dependable edge strength and clean cuts.
- Boat building & repairs: Bulkheads, lockers, floors and interior panels.
- Wet-area joinery: Bathroom cabinetry, utility rooms and spa surrounds.
- Outdoor projects: Garden furniture, benches and weather-sheltered cladding.
- Vehicle & van conversions: Floors, beds and storage modules where moisture control matters.
- Thickness: 12mm (nominal).
- Standard parent sheet: typically 2440 × 1220mm before cutting.
- Typical tolerance: ±1 mm on cut dimensions.
- Finish: Sanded, ready to coat. Seal faces and especially edges after fitting for maximum longevity.
- Need heavy-duty slip resistance? Try Buffalo Board (Anti-Slip Phenolic Birch).
- Prefer a decorative face? See Decorative Veneered Plywood – Cut to Size.
1. Is 12mm marine plywood fully waterproof?
It uses waterproof adhesive and durable veneers for excellent moisture resistance; however, it isn’t completely waterproof. Seal all edges and surfaces for best results.
2. Can I paint or varnish it?
Yes. Lightly sand, then apply suitable marine paint, varnish or sealer. Always seal edges first.
3. What tools work best?
Standard woodworking tools perform well. Use sharp blades, support the cut and pre-drill for screws to prevent breakout.
4. Is this suitable for exterior exposure?
Yes—when correctly sealed and maintained. For prolonged standing water or continuous immersion, follow marine finishing best practices.
5. Do you offer full boards as well?
Absolutely. Order Marine Plywood – Full Board if you don’t require custom cutting.
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