Please note there is minimum order quantity of 48 linear meters with this product. Treated counter batten perfect for creating an air gap below rafters. High quality treated sawn timber for general construction uses.High Pressure treated with Tanalith 'E' (or similar). It is important that all cut ends are re-sealed with a proprietary treatment. All of our softwoods are responsibly sourced. Please also note the 25mm x 50mm is a nominal thickness, the final thickness will be closer to 22mm x 45mm. Treatment colour may vary Please note: Lengths provided vary depending on your area as we source locally, normally lengths are between 3.6m-4.8m. If you order the total linear meterage required it will be provided in what lengths are available. Properties Thickness: 25mmWidth: 50mmProfile: square edgedGrade: carcassing timber