Current sizes available:
2440 x 1220 x 9 mm – $35 sheet
Formaldehyde Free 100% – ECO Board – Moisture Resistant – Load-bearing
Discounts are available!
Oriented strand board, also known as OSB or OSB Board, is an engineered wood product formed by layering strands (flakes) of wood in specific orientations. Similar if not superior properties to MDF (Medium Density Fiberboard), MDP (Medium Density Particleboard) and other particle boards.
It is manufactured in wide mats from cross-oriented layers of thin, rectangular wooden strips compressed and bonded together with wax and resin adhesives (95% wood, 5% wax and resin).
Each layer is laid perpendicular to the previous in order to maximise the strength of the finished product. Once the desired thickness has been achieved, the strands are heated and pressed together to result in a board that is strong, thin, durable and flexible.
The mat is placed in a thermal press to compress the flakes and bond them by heat activation and curing of the resin that has been coated on the flakes. Individual panels are then cut from the mats into finished sizes
When made from timber scraps or recycled wood, OSB is more environmentally friendly than plywood. Even when made from harvested timber, OSB tends to be the more environmentally friendly option. This is due to the small strips of wood it requires; young, fast growing timbers can be used, including pine and even bamboo.
Oxley Trade is one of the key suppliers of Oriented Strand Board (OSB) in Australia – if you have any questions, please get in touch!
Technical Parameters of OSB (from the manufacturer):
| Property | Standard value for 9 mm thick boards (nominal) |
| MOR, Major Axis, MPa, min. | 22 |
| MOR, Minor Axis, MPa, min. | 11 |
| MOE, Major Axis, MPa, min. | 3500 |
| MOE, Major Axis, MPa, min. | 1400 |
| Tensile strength perpendicular to the board’s surface, MPa, min. | 0,34 |
| Thickness swelling/24hr., min. | 15 |
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