2440 * 1220mm heavy equipment temporary road sheet-Ground 18mm OSB 3 Board 2440mm x 1220mm (8′ x 4′) OSB3 is an engineered, load-bearing wood-based panel product, free of knots and voids, and suitable for structural use in humid situations. The delivery st is either £60.00 ex. VAT or £150.00 ex. VAT (depending on your delivery postcode).