This is a premium roofing or flooring panel with edges machined to the finest tolerance for a perfect fit and faces calibrated to a standard finished thickness. OSB3 T&G is suitable for roofing and flooring applications in humid conditions (Service Class 1 & 2). Dimensions Length: 2400mm. Width: 590mm. Thickness: 18mm. Edge Detail: Tongue and Grooved 4 Sides. Material: OSB. Responsibly Sourced: FSC Certified. Description For structural use in accordance with EN 13986.     Manufactured to EN 300. Tongued and grooved on 4 edges.