The Timber Group
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Oriented Strand Board, commonly known as OSB, is a versatile and cost-effective engineered wood product that is extremely popular in construction and DIY projects. Our OSB sheets, available in 18mm thickness, are perfect for a wide range of applications.

OSB boards are made by compressing layers of wood strands with adhesive resin under high pressure and temperature. This manufacturing process ensures exceptional strength and durability, making OSB an ideal choice for structural applications. Whether you're working on roofing, flooring, wall sheathing, or furniture projects, our high-quality OSB sheets provide reliable performance and long-lasting results.

Our 18mm OSB boards are easy to work with, allowing for precise cuts and secure installations. Whether you're a professional builder or a DIY enthusiast, you can trust our OSB sheets to deliver reliable performance and structural integrity.

Explore our range of OSB products to find the perfect solution for your construction or renovation project. With our quality OSB sheets, you can achieve outstanding results, ensuring your projects stand the test of time.

If you need any further information regarding OSB, please contact your local timber merchant branch, who will be happy to assist you. We also supply all relevant fixings for you to complete your project. 


18mm 2440 x 1220 OSB Type 3

18mm 2440 x 1220 OSB Type 3

Part number 03COT11400


£18.21 ex VAT

£21.85 inc VAT


11mm 2440 x 1220 OSB Type 3

11mm 2440 x 1220 OSB Type 3

Part number 03COT11350


£13.08 ex VAT

£15.70 inc VAT


9mm 2400 x 1200 OSB Type 3

9mm 2400 x 1200 OSB Type 3

Part number 03COT11201


£11.54 ex VAT

£13.85 inc VAT


18mm 590 x 2400 OSB Type 3 TG4

18mm 590 x 2400 OSB Type 3 TG4

Part number 03COT11500


£13.77 ex VAT

£16.52 inc VAT