OSB3 Tongue & Groove 2400mm x 600mm x 18mm

(£14.34 Incl. VAT)
  • Buy 10 for £11.45
    (£13.74 ) each and save 4%
  • Buy 20 for £10.95
    (£13.14 ) each and save 8%
  • Buy 50 for £10.50
    (£12.60 ) each and save 12%
  • Buy 100 for £10.25
    (£12.30 ) each and save 14%
  • Buy 200 for £9.99
    (£11.99 ) each and save 16%
Availability: In stock
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Pricing & Availability:

The pricing on this product is applicable to deliveries made to sites within the locality of our branches (which is broadly Surrey, West Sussex and parts of South West London, Kent and East Sussex).

For pricing and availability on these products to sites that are outside of our local area please contact us directly so that we can explore the most cost effective options for you.

We also stock and supply a large range of roofing materials, with thousands more being available to order directly from all the leading manufacturers. If you don't see the roofing products that you need on this site please contact us and we will try to source them for you or offer you an alternative.

We are able to offer prices tailored to your exact requirements & project: Please call us on 01737 763008 or email us for a free quotation.



OSB3 Tongue & Groove 2400mm x 600mm x 18mm

OSB3 Tongue & Groove 2400mm x 600mm x 18mm is a premium board for roofing or flooring applications, with edges machined to the finest tolerance for a perfect fit and faces calibrated to a standard finished thickness.

OSB3 18mm T&G is suitable for load bearing roofing and flooring applications in humid conditions (Service Class 1 & 2).

Recommended by the manufacturers of the Cure It roofing system as a base for the wet-laid GRP laminate (consisting of Reinforcement Mat saturated with Roofing Resin) which should be applied over a securely fitted OSB3 18mm T&G deck for the manufacturer's guarantee to apply.

Each sheet carries the FSC certification and CE Mark.

18mm OSB T&G is versatile, strong and cost-effective, and is manufactured with an exterior resin costing.

These boards are suitable for both interior and exterior structural applications such as:

  • Roofing
  • Flooring
  • Wall sheathing
  • Hoarding

Note: Boards supplied differ from image - tongue & groove on all four sides



  • Overall length: 2410mm
  • Overall width: 610mm
  • Length when laid: 2400mm
  • Width when laid: 600mm
  • Thickness:18mm
  • Coverage: 1.44m2


  • Material: OSB3
  • Certification : BBA certified
  • Edging: Tongue & groove - 4 sides (differs from illustration)
  • Finish: Sanded


  • Suitable for:
  • Load bearing applications
  • Roofing applications
  • Use in humid conditions