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Marine birch plywood cut-to-size.

Marine Plywood

Order marine birch plywood built for moisture-critical applications.
Specify your dimensions, we cut to order. Nationwide delivery.

Plywood
MRNPLY-IND - Indonesian Marine Plywood
Offer
Plywood, MRNPLY-IND
Indonesian Marine Plywood
Length oriented grain
Size: 2440 x 1220 mm
Thickness: 9, 12, 18, 25 mm
quick view MRNPLY-IND
Plywood
MRNPLY-GB - Gaboon Lightweight Marine Plywood
Offer
Plywood, MRNPLY-GB
Gaboon Lightweight Marine Plywood
Length oriented grain
Size: 2500 x 1220 mm
Thickness: 18 mm
quick view MRNPLY-GB
Plywood
Birch plywood

Product Description

Marine-grade birch plywood, typically BS1088 certified, measuring 2440mm (L) × 1220mm (W) in various thicknesses. Engineered with void-free cores, waterproof adhesive, and rot-resistant hardwood veneers for moisture-critical applications.


Looking for different specifications? Explore our 9mm marine plywood for cabinetry frames and outdoor panels, or consider 12mm marine ply sheets for kitchen and bathroom cabinetry. We also stock 18mm marine plywood and 25mm marine ply for structural furniture and heavy-duty outdoor cabinetry.

Buy Marine Plywood

Material & performance details.

Technical Specifications

Plywood core
Plywood core
Core Specs
• Okoume/Gaboon marine-grade birch plywood
• BS1088 certified
• Available in 9mm, 12mm, 18mm, 25mm thicknesses
• 2440 × 1220mm standard size
Plywood Finish
Plywood Finish
Finish & Look
• Okoume veneer surface (light golden tone)
• Raw finish (sealed finish available)
• Fine, even grain
• Void-free core construction
Features & Services
Features & Services
• Waterproof phenolic resin adhesive
• Minimal internal voids
• Weather and Boil Proof (WBP) bonding
• FSC or PEFC certified options available
• CNC machining available

Professional-grade marine plywood for trade cabinetry and furniture.

Common Uses

Marine-grade plywood is the professional choice for moisture-critical trade applications. Engineered for joiners, cabinetmakers, and furniture manufacturers building for clients who demand long-lasting durability. Perfect when standard plywood fails in humid environments. Order cut-to-size marine ply with nationwide delivery.

50mm Stair Treads and Risers
50mm Stair Treads and Risers
Kitchen & Bathroom Cabinetry
Build premium cabinetry for high-moisture kitchens and bathrooms with marine-grade plywood. Our moisture-resistant sheets prevent swelling, warping, and rot under sinks, near showers, and in humid zones. Perfect for bespoke cabinetry commissions in coastal homes and high-humidity climates. The void-free core provides structural integrity for cabinet frames, shelves, and drawer boxes. Ideal for professional cabinetmakers and joiners delivering quality to demanding clients.
50mm Loft Flooring and Platforms
50mm Loft Flooring and Platforms
Outdoor Furniture Manufacturing
Create durable garden furniture with marine-grade furniture-grade plywood. Our weather-resistant sheets handle sun exposure, rain, temperature fluctuation, and humidity without deterioration. Perfect for garden tables, benches, outdoor cabinetry, and weatherproof seating. The Okoume surface finishes beautifully with exterior varnish, lacquer, or paint. Ideal for furniture makers producing premium outdoor collections for residential and commercial clients.
4mm Plywood Wall
4mm Plywood Wall
Flooring & Subflooring in Damp Areas
Install reliable flooring substrates with marine-grade waterproof plywood. Our moisture-resistant sheets maintain structural integrity in basements, ground floors, and dampness-prone areas where standard plywood swells and fails. Perfect for residential projects requiring long-term performance in challenging moisture conditions. Machines cleanly for flooring underlay and subfloor applications. Ideal for builders and contractors specifying premium performance in moisture-critical locations.

Delivery & Services

Marine-grade birch plywood ships safely with our nationwide logistics network. Professional handling protects premium moisture-resistant panels for your trade commissions. Our dedicated delivery fleet ensures your marine ply arrives ready for fabrication.

Sales Support
Sales Support
Our team answers questions about marine-grade plywood for cabinetry and furniture projects. We're here to help with specification advice and material selection for your clients. Contact our sales team for guidance. Call 0208 236 2313 or use Live Chat now.
Marine Plywood Cut to Size
Marine Plywood Cut to Size
Custom cutting for cabinetry and furniture manufacturing completed within working days. Fast Flow available for urgent marine-grade plywood requirements. All precision cuts meet exact specifications. Contact us for project timelines and trade pricing.
National Delivery
National Delivery
We deliver cut-to-size sheets across the UK. Specialist vehicles transport marine-grade plywood safely for trade workshops. Marine panels receive protective packaging for secure arrival. Collection available from North London and South London branches.

Complete your trade cabinetry project with professional finishing solutions.

Additional Plywood Services

Marine-Grade Plywood Cut to Size

Precision cutting for cabinetry and furniture with 0.1mm tolerance accuracy. Our computer-controlled saws deliver clean, chip-free edges on all BS1088-certified plywood sheets. Every panel labelled for easy reference. Quality-checked before dispatch. Visit our plywood collection for instant quotes on marine-grade panel cutting and trade pricing.

Plywood Cut to Size
Panel Edgebanding

Professional edge finishing transforms your marine plywood cabinetry into polished components. Our edgebanding service applies quality veneer or PVC edges for seamless cabinet faces and furniture. Choose from natural birch or contemporary finishes. Panels ready for assembly. Explore our edgebanding service for edge profile options and finish details.

Panel Edgebanding

Products you may be interested in.

Related products

Plywood
MRNPLY-IND - Indonesian Marine Plywood
Offer
Plywood, MRNPLY-IND
Indonesian Marine Plywood
Length oriented grain
Size: 2440 x 1220 mm
Thickness: 9, 12, 18, 25 mm
quick view MRNPLY-IND
Plywood
BRCPLY-SMT-W - Birch Plywood White
Offer
Plywood, BRCPLY-SMT-W
White Melamine Birch Plywood
No grain
Size: 2440 x 1220 mm
Thickness: 18, 24 mm
quick view BRCPLY-SMT-W
Plywood
BRCPLY-BB-CG - Birch Ply Cross Grain
Offer
Plywood, BRCPLY-BB-CG
Birch Plywood BB/BB Grade – Cross grain
Width oriented grain
Size: 3050 x 1220 mm
Thickness: 12, 18, 24 mm
quick view BRCPLY-BB-CG BRCPLY-BB-CG

Frequently Asked Questions

Call our sales team on 0208 236 2313, use our Live Chat, or visit our Contact Us page for customer support.

Why should cabinetmakers choose marine plywood over standard birch plywood?
Is marine plywood suitable for bathroom cabinet bases and under-sink cabinetry?
Can marine plywood be used for outdoor furniture cabinetry?
What thickness is recommended for kitchen and bathroom cabinets?
How should marine plywood be finished for kitchen cabinet longevity?
Can marine plywood be CNC machined for cabinetry components?
Is marine plywood cost-effective for standard cabinetry projects?
What's the lifespan of marine plywood cabinetry in damp conditions?

Customer Reviews

Professional cabinetmakers and furniture manufacturers trust our marine-grade birch plywood for moisture-critical client commissions.
Our 4.9/5 star rating reflects precision cutting, fast delivery, and expert support.

EXCELLENT
Based on 589 reviews
Yash Patel
Yash Patel
5 days ago
5
Cworkshop has been very good to me. Especially Karolis who gets constant calls for last minute panels that need delivering to site. They are also quick to rectify any ...
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Chris Byrne
Chris Byrne
6 days ago
4
Great .But stickers on wood veneer cause downstream problems . Its a pain to peel off and the glue stains thru the varnish effecting the finish.
Alex Morgan
Alex Morgan
1 weeks ago
5
This is the first time I’ve used a workshop for a domestic project. I was recommended to use them by a friend who is a cabinet maker. I’m building a large wardrobe ...
Read more
Dan Down
Dan Down
1 weeks ago
5
new workshop, great service, short lead times, i will be back :)
Nick Drew
Nick Drew
1 weeks ago
5
Been using these guys for the last 6 years and they are always bang on. Their customer service is also top notch. They have been very accommodating when I have made an ...
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Spencer Reynolds
Spencer Reynolds
1 weeks ago
5
Our project arrived on time and with no issues. We have used cworkshop many times due to the high quality service we receive.
eric engelstein
eric engelstein
1 weeks ago
5
Top customer service
Clive Miller
Clive Miller
1 weeks ago
5
As a professional Carpenter & Joiner I've been using Cwork shop for many years, they are one of the major suppliers of veneered sheet materials that I regularly use are ...
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Ben Horscroft
Ben Horscroft
1 weeks ago
5
The whole process was super easy and convenient. The online platform interface is very user friendly and intuitive. Customer service was great and the delivery times ...
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Allen Lovell
Allen Lovell
1 weeks ago
5
I’ve been using C Workshop for years—always a fantastic service. It’s not just about selling products; it’s the aftercare, the relationships with the team in the ...
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Arron Oldroyd
Arron Oldroyd
2 weeks ago
5
Great team at the North London workshop answered all my questions and products came as I hoped all round great service
steve mills
steve mills
2 weeks ago
5
I’ve been using Cworkshop for several years now, and the service has been consistently outstanding from day one. Every part of the business — from the office staff ...
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Lee Mears
Lee Mears
2 weeks ago
5
A really excellent experience. I engaged CWorkshop to cut and machine panels for a bespoke media unit. I found it easy to use the online job configurator to specify my ...
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Javier Senosiain
Javier Senosiain
1 months ago
5
Great place to get your wood for your project They have tons materials to choose from and great system to order and get updates on your order I'll buy again
Ray Fowler
Ray Fowler
1 months ago
5
Very satisfying experience. Being new at this game, it was as to how good they were helping me understand the process and the measurements of all the pieces made a great ...
Read more
C Workshop
Google reviews
589 reviews
4.9
You can read all our reviews by following the link below.

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