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View Product Reviews18mm Structural Hardwood Plywood Sheet 2440mm x 1220mm (8' x 4')
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Product Overview
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
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Core Products Core
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|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 ex. VAT | £20 ex. VAT |
| Over £300 ex. VAT | FREE |
Core Delivery charges apply only when all products in an order that have equivalents are accepted as such. If even one product cannot be substituted with an equivalent, the entire order will not qualify for Core Delivery charges.
| 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 - 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 |
| Express Delivery - Insulation and Plasterboard & Drylining | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £50 ex. VAT |
| Over £400 ex. VAT | £35 ex. VAT |
Returns
We offer a 30 day returns policy on any faulty products.
Key Features
- {{home}} Use in walls, floors & roofs
- {{verified_user}} Suitable for humid conditions when sealed
- {{fitness_center}} Resists warping and bending
- {{wb_shade}} Intended for interior or covered use
Technical Specification
| Product: | Hardwood |
|---|---|
| Bond Class: | BS EN636-2 |
| Thickness: | 18mm |
| Width: | 1220mm |
| Length: | 2440mm |
| Sales Unit: | Sheet |
| Sales Unit Coverage: | 2.98m2 |
| Weight: | 22kg |
| Facing: | Hardwood |
| Application: | Floors, roofs, walls |
| Edge: | Square |
| Indoor/Outdoor Usage: | Exterior (if treated), Interior |
| Finish: | Veneer |
| Country of Origin: | China |
| Grade: | BB / CC |
| Wood Species: | Poplar |
| Formaldehyde Level: | E1 (low) |
Product Overview
Structural hardwood plywood board, measuring 2440mm x 1220mm (8' x 4') with an 18mm thickness.
Made from cross-laminated hardwood veneers, kiln-dried and bonded with moisture-resistant adhesive, classified to EN636-2 (suitable for humid interiors or sheltered exteriors when sealed), it provides high strength, stability, and impact resistance.
Widely used for floors, roofs, walls, and heavy-duty joinery, the smooth hardwood face is pre-sanded, allowing for painting, staining, or clear finishing where appearance matters.
Features & Benefits
- Cross-grained veneer construction: Alternating layers distribute weight evenly, reduce warping, and improve strength in tension and compression.
- Moisture-resistant: EN636-2, suitable for humid interiors or exterior use when treated and sealed.
- Hardwood face veneers: Smooth, sanded surface can be painted, stained, or clear finished for decorative use.
- Durability: Designed to resist bending and surface distortion under load.
- Strength-to-weight ratio: Provides reliable performance in demanding flooring, decking, and roofing applications.
- Standard sheet size (2440mm x 1220mm): Compatible with common framing centres, easy to cut, and minimises waste.
- Thickness 18mm: Heavy-duty panel suited to structural and joinery applications.
Please Note: Colour and finish are representative only and may vary slightly as this is a natural product.
Applications
- Flooring and decking: Provides strong, stable support in high-traffic areas.
- Roofing decks: Suitable for use beneath coverings when edges are properly sealed.
- Wall sheathing and partitions: Adds rigidity and load-bearing capacity to framed structures.
- Heavy-duty joinery: Used in furniture, cabinets, and storage units where strength is essential.
Installation Guidance
- Seal all edges and cut faces: Prevents moisture ingress and extends service life.
- Use appropriate fixings: Stainless steel or galvanised fasteners recommended for structural applications.
- Fit in controlled conditions: Intended for interior or covered use; for permanent exterior exposure, use marine-grade plywood.
Compliance & Performance
- Service class: EN636-2, suitable for humid interiors or exterior use when treated and sealed.
- Classification note: Formerly referred to as WBP plywood; superseded by EN314 (bonding quality - glue line performance in dry, humid, or exterior conditions) and EN636 (service class - dry, humid, exterior).
Customer Reviews
great
just what I needed for my shed
Competitive price and great quality.
Bought 20 plywood sheets and all arrived in excellent condition. Marine plywood was also an option, but more expensive and really pleased with this ply. Will buy more timber from Materials Market
good wood
excellent sheets
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