The 18mm Standard Plywood (Structural Class 2 PINEX) is a strong, reliable sheet material designed for a wide range of structural and general construction applications. Manufactured using cross-laminated softwood veneers and bonded with a Class 2 adhesive, this board offers excellent stability and strength while remaining cost-effective for large projects.

Each sheet measures 2440mm x 1220mm (8ft x 4ft) — the industry standard size — making it easy to handle, cut, and fix on site. The structural rating ensures suitability for humid interior environments or covered exterior use where occasional moisture may be present.

Key Features

• Thickness: 18mm

• Size: 2440mm x 1220mm (8ft x 4ft)

• Type: Structural Class 2 (EN636-2)

• Material: Softwood plywood (PINEX)

• Bonding: Moisture-resistant adhesive suitable for humid conditions

• Finish: Smooth sanded faces, square-edged for easy installation

• Certification: CE2+ structural grade

For more Plywood advice, see our guide:

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The 18mm Sterling Board OSB3 is a high-performance, structural sheet material made for strength, stability, and durability. Engineered from layers of oriented wood strands bonded with a moisture-resistant resin, OSB3 provides a reliable alternative to plywood for structural flooring, roofing, and wall sheathing applications.

Each sheet measures 2440mm x 1220mm (8ft x 4ft) — the standard UK size — making it easy to fit, cut, and install across a variety of construction projects. Its OSB3 classification means it is suitable for load-bearing use in humid environments, provided all edges and faces are sealed correctly.

Key Features

• Thickness: 18mm

• Sheet size: 2440mm x 1220mm (8ft x 4ft)

• Grade: OSB3 (structural, moisture-resistant)

• Edge profile: Square-edged for flush, tight joints

• Material: Oriented Strand Board (Sterling Board)

• Certification: EN300 OSB3 | CE2+ structural grade

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The 11 mm Sterling Board OSB3 is a structural, load-bearing panel engineered from oriented wood strands and bonded with moisture-resistant adhesive. With its OSB3 rating, this board is suitable for use in humid environments—ideal for roofing, wall sheathing, and general structural applications. Each sheet measures 2440 × 1220 mm (8′ × 4′), matching standard construction dimensions in the UK.

Key Features

• Thickness: 11 mm 

• Size: 2440 × 1220 mm (8′ × 4′)

• Grade: OSB3 (structural, for humid conditions) 

• Edge Profile: Square edges for flush joints and easy alignment 

• Surface: Smooth, void-free finish — free of knots and internal gaps 

• Certifications / Standards: Meets EN 300 (Type 3) for load-bearing performance in humid conditions; BBA / industry certifications often accompany OSB3 sheets

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