18mm Marine Ply
18mm Marine Ply for Heavy-Duty Panel Applications
18mm marine plywood is a substantial, high-rigidity panel for projects where a robust and durable plywood solution is required. Ideal for heavier-duty boat building and repairs, flooring, substantial cabinetry, furniture, fit-outs and other demanding applications.
A Heavy-Duty Marine Ply Thickness
At 18mm, marine plywood provides a noticeably substantial panel for applications where thinner plywood grades may not offer enough rigidity or solidity. It is a practical choice for projects that need a robust plywood construction.
From boat components and replacement panels to flooring, cabinetry and workshop fabrication, 18mm marine ply can be used wherever a thicker marine-grade plywood panel is appropriate.
If you require specific dimensions, our custom cut marine ply service makes it easier to order panels to suit your project.
Why Choose 18mm Marine Ply?
18mm is one of the thicker marine plywood options, making it particularly useful when increased rigidity, panel substance and a robust construction are important.
Heavy-Duty Thickness
The substantial 18mm construction makes this marine plywood suitable for applications where thinner grades are not the preferred choice.
High Panel Rigidity
A thicker plywood panel provides increased rigidity and a solid feel for demanding construction and fabrication projects.
Boat Building & Repairs
Suitable for a range of boat-building components, refurbishment work and replacement panels where substantial plywood is required.
Flooring & Platforms
The thickness makes 18mm a useful option for flooring, bases, platforms and other applications requiring a robust panel.
Substantial Cabinetry
Well suited to robust cabinetry, storage units, furniture and interior construction where a thicker plywood panel is desirable.
Precision Cut Panels
For unusual dimensions or project-specific requirements, use our custom cutting service to order marine ply to size.
When a More Substantial Marine Ply Panel Is Needed
18mm marine plywood is designed for projects that need a thicker, more substantial sheet than the 12mm and 15mm grades provide. It is particularly useful for heavier-duty marine construction, flooring, cabinetry, furniture, repairs and other applications where panel rigidity is important.
Common Uses for 18mm Marine Plywood
A robust marine plywood thickness for demanding construction, repair, fabrication and interior applications.
Boat Building
Suitable for selected boat-building components and marine fabrication projects where a substantial plywood panel is required.
Boat Repairs
Useful for replacing damaged or worn panels where a thicker marine plywood solution is appropriate.
Marine Flooring
A substantial plywood option for flooring, base panels and platforms where increased rigidity is beneficial.
Heavy-Duty Cabinetry
Suitable for robust cabinets, storage units, work surfaces and substantial marine interior construction.
Campervan Fit-Outs
Useful for heavier-duty furniture, flooring, storage and interior construction in campervans and mobile spaces.
Furniture & Fabrication
A practical marine-grade plywood choice for substantial furniture, joinery, workshop projects and specialist fabrication.
The Benefits of 18mm Marine Ply
Choose 18mm when your project calls for a robust, rigid and substantial plywood panel rather than a lightweight marine ply solution.
Robust Construction
A substantial panel thickness for demanding marine and general-purpose projects.
High Rigidity
Provides increased panel stiffness compared with thinner marine plywood grades.
Wide Range of Uses
Suitable for boats, flooring, cabinetry, furniture, repairs and fit-outs.
Cut to Size
Order panels to your required dimensions for a more convenient project fit.
Need 18mm Marine Ply Cut to Size?
Browse our marine plywood range or order 18mm marine ply cut to your required dimensions. Ideal for heavier-duty boat projects, repairs, flooring, cabinetry, furniture and specialist fabrication.
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This Marine Ply has been developed for Boat / Yacht and other vehicle construction such as motor homes & aircraft where a high performance lightweight product is advantageous and a guaranteed severe exterior resilience is necessary.
£275.90
£220.00
This Marine Ply has been developed for Boat / Yacht and other vehicle construction such as motor homes & aircraft where a high performance lightweight product is advantageous and a guaranteed severe exterior resilience is necessary.
Experience the versatility of marine plywood in convenient half sheets measuring 1220mm x 1220mm. Whether you're a craftsman, builder, or DIY enthusiast, our marine ply half sheets offer the perfect canvas for your projects. With exceptional durability, moisture resistance, and a smooth finish, these half sheets are ideal for boat interiors, furniture, cabinetry, and more. Dive into your creative journey with marine ply that's ready to withstand the elements and elevate your craftsmanship.
£165.30
From: £87.84
Experience the versatility of marine plywood in convenient half sheets measuring 1220mm x 1220mm. Whether you're a craftsman, builder, or DIY enthusiast, our marine ply half sheets offer the perfect canvas for your projects. With exceptional durability, moisture resistance, and a smooth finish, these half sheets are ideal for boat interiors, furniture, cabinetry, and more. Dive into your creative journey with marine ply that's ready to withstand the elements and elevate your craftsmanship.
This Marine Ply has been developed for Boat / Yacht and other vehicle construction such as motor homes & aircraft where a high performance lightweight product is advantageous and a guaranteed severe exterior resilience is necessary.
From: £25.63
This Marine Ply has been developed for Boat / Yacht and other vehicle construction such as motor homes & aircraft where a high performance lightweight product is advantageous and a guaranteed severe exterior resilience is necessary.
Gaboon ( also known as Okoume ) Marine Grade plywood is considered one of the finest construction plywood's available today.
£35.91
Gaboon ( also known as Okoume ) Marine Grade plywood is considered one of the finest construction plywood's available today.
This Marine Ply has been developed for Boat / Yacht and other vehicle construction such as motor homes & aircraft where a high performance lightweight product is advantageous and a guaranteed severe exterior resilience is necessary.
£49.99
From: £47.57
This Marine Ply has been developed for Boat / Yacht and other vehicle construction such as motor homes & aircraft where a high performance lightweight product is advantageous and a guaranteed severe exterior resilience is necessary.
Discover the versatility of marine plywood in the form of precision-cut squares. Whether you're a woodworking enthusiast, builder, or artist, our Marine Ply Squares provide a sturdy foundation for your creative endevours. Crafted from high-quality marine-grade material, these squares offer durability, resistance to moisture, and a smooth surface ready for your artistic touch. From boat accents to intricate designs, Marine Ply Squares from Marine Ply Store empower your imagination to take centre stage
Square Marine Ply 100-600mm
9 review(s)
£8.42
From: £6.05
Discover the versatility of marine plywood in the form of precision-cut squares. Whether you're a woodworking enthusiast, builder, or artist, our Marine Ply Squares provide a sturdy foundation for your creative endevours. Crafted from high-quality marine-grade material, these squares offer durability, resistance to moisture, and a smooth surface ready for your artistic touch. From boat accents to intricate designs, Marine Ply Squares from Marine Ply Store empower your imagination to take centre stage
Versatile, strong, and durable, available in various thicknesses and 10 standard sizes. Ideal for marine, craft and construction projects, ensuring quality and flexibility in every use.
£6.00
£5.13
Versatile, strong, and durable, available in various thicknesses and 10 standard sizes. Ideal for marine, craft and construction projects, ensuring quality and flexibility in every use.
Free cutting! up to 4 Free cuts per board
£8.56
From: £2.79
Free cutting! up to 4 Free cuts per board
Free Custom cnc cutting! just pick larger circle size from options and we will cut to your specified diameter size.
Custom Cut Circular Marine Ply up to 1200mm
3 review(s)
£7.38
From: £2.14
Free Custom cnc cutting! just pick larger circle size from options and we will cut to your specified diameter size.
Fast Delivery. Supplied with offcuts from larger square.
Custom Marine Ply Squares up to 1000mm
10 review(s)
£8.42
From: £6.05
Fast Delivery. Supplied with offcuts from larger square.
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