This product is considered Class 3 timber which is ideal for use above ground and away from consistent contact with fresh water. Our Treated Redwood Decking (28mm x 120mm x 5400mm) provides an effective, sustainably sourced timber solution to exterior decking projects of any size. These decking boards are machined smooth and grooved and carefully treated for protection against weather elements and decay. The actual finished size of this product is 28mm x 120mm x 5400mm. For further details about requirements in length, thickness, and width, please contact one of your team for details. This product is also available in length sizes: 2400mm / 3000mm / 3600mm / 4200mm / 4800mm / 5400mm / 6000mm. Redwood is the ideal material for decking as it is stable, straight, and naturally resistant to wood-boring insects and weathering. Our Redwood Decking is considered Class 3 and is treated using Tanalith E before sale so it can be used outdoors above the ground and away from consistent contact with water. It can be maintained with decking stains, paints, and oils to improve lifespan and protect against weather, UV damage, and mould. Our Treated Redwood Decking is sourced only from premium quality sustainable, which means we only use FSC or PEFC-certified forests. Our Sales Team is always available to discuss your specific requirements.