Surface: smoothly planed or fine sawnWood type: Thermo treated Pine AB class T-3 Thermo DeckingTechnical SpecificationThinckness (mm) - 26 Widths (mm) - 140 Lengths (m) - 3 / 3,3 / 3,6 / 3,9 / 4,2 / 4,5 / 4,8 / 5,1 Moisture content - 4% Bonus: Available with or without a hidden fastener groov at no extra costs