25mm Marine Plywood BS1088 2440mm x 1220mm (8' x 4')
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BS1088-certified marine-grade plywood for demanding environments. Suitable for boat building, docks, and exterior joinery. 25mm thickness suits structural floors, bulkheads, and high-load marine or outdoor projects.
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Product Overview
BS1088-certified marine-grade plywood for demanding environments. Suitable for boat building, docks, and exterior joinery. 25mm thickness suits structural floors, bulkheads, and high-load marine or outdoor projects.
Delivery & Returns Information
How Our Delivery Works
We work with a nationwide network of trusted suppliers. As a result, items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you'll see multiple delivery charges at checkout. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery Areas & Charges
Delivery charges listed on our website apply to mainland UK, excluding the following postcode areas: AB, CF, DD, DG, FK, KW, IV, LA, LD, LL, NP, PA, PH, SA, SY
If your delivery address falls within one of these postcode areas, we’ll be in touch before processing your order to confirm any additional delivery costs.
Please note: We do not currently offer delivery outside the UK mainland.
Standard (Nationwide) Delivery
| Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £100 | £15 ex. VAT |
| Between £100 - £300 ex. VAT | £10 ex. VAT |
| Over £300 ex. VAT | FREE |
| Insulation, Plasterboard and Drylining Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £350 | £35 ex. VAT |
| Over £350 ex. VAT | FREE |
| Screws & Fixings and Adhesives & Sealants | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £50 | £5 ex. VAT |
| Over £50 ex. VAT | FREE |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £50 ex. VAT |
| Over £400 ex. VAT | £35 ex. VAT |
| Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 | £50 ex. VAT |
| Over £300 ex. VAT | £35 ex. VAT |
Returns
We offer a 30 day returns policy on any faulty products.
Key Features
- {{anchor}} Suitable for marine, outdoor, and general joinery
- {{fitness_center}} Built from hardwood veneers
- {{gpp_good}} Certified to BS1088
- {{water_drop}} Withstands prolonged wet exposure without swelling
Technical Specification
| Product: | Marine |
|---|---|
| Bond Class: | BS EN636-3 |
| Thickness: | 25mm |
| Width: | 1220mm |
| Length: | 2440mm |
| Sales Unit: | Sheet |
| Sales Unit Coverage: | 2.98m2 |
| Weight: | 35kg |
| Application: | Marine |
| Edge: | Square |
| Indoor/Outdoor Usage: | Exterior (if treated), Interior |
| Finish: | Veneer |
| Country of Origin: | China, Malaysia |
| Grade: | BB / CC, BS1088 |
| Wood Species: | Keruing / Meranti |
| Formaldehyde Level: | E1 (low) |
Product Overview
BS1088-certified marine-grade plywood sheet, measuring 2440mm x 1220mm (8' x 4') with a 25mm thickness.
Made from durable tropical hardwood veneers and bonded with waterproof adhesive, it resists swelling, warping, delamination, and rot even under prolonged moisture exposure.
Unlike standard plywood, it contains no core voids, preventing water entrapment and improving overall strength.
Widely used for structural floors, bulkheads, and high-load marine or outdoor projects, the solid hardwood face is pre-sanded and can be left natural, stained, or varnished.
Features & Benefits
- BS1088 certification: Meets British Standard for marine-grade plywood in demanding conditions.
- Waterproof bonding: Ensures resistance to delamination and swelling under continuous wet exposure.
- No core voids: Prevents water traps and improves strength compared with standard plywood.
- Moisture performance: Withstands long-term immersion, unlike MR MDF or standard ply.
- Rot resistance: Designed for extended service life in damp or wet environments.
- Impact resistance: Strong veneer lay-up withstands heavy use and knocks.
- Workability: Easy to cut, drill, and shape with woodworking tools.
- Standard sheet size (2440mm x 1220mm): Covers 2.98m² per sheet, minimises waste.
- Thickness 25mm: Heavy-duty board for structural floors, bulkheads, and high-load marine applications.
Please Note: Colour and finish are representative only and may vary slightly as this is a natural product.
Applications
- Marine construction: Suited to bulkheads, hull sections, and structural floors.
- Exterior joinery: Raised platforms, patios, sheds, and roof supports.
- Interior joinery: Durable option for kitchens, bathrooms, and shopfitting.
- General use: Walkways, heavy-duty storage boxes, and vehicle interiors.
Installation Guidance
- Seal edges and faces: Extends service life when exposed outdoors.
- Use waterproof fixings and adhesives: Maintains performance under wet conditions.
- Apply varnish or paint if exposed: Enhances appearance and adds further protection.
Compliance & Performance
- Standard: Certified to BS1088 for marine-grade plywood.
- Veneer quality: Manufactured from durable tropical hardwood, free of core voids.
- Bonding: Waterproof adhesive suitable for continuous wet exposure.
- Classification note: Formerly referred to as WBP plywood; superseded by BS1088 and EN standards.
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