This Pressure Treated Wooden Gravel Board from Forest Garden is the ideal way to extend the life of fence panels and complete any fencing project. The role of the gravel board is to raise fence panels, especially dip treated panels, to avoid ground contact. This reduces exposure to damp and debris, adding further protection from rot and fungal decay. The gravel board has been pressure treated to offer a 15-year anti-rot guarantee with no need for retreatment. This gravel board is compatible with 1800mm and 1830mm width fence panels. Please note that it will need to be slightly trimmed for 1800mm panels. Place Beneath Panels To Deter Rot 15 Year Anti-Rot Warranty Long-Life Pressure Treated Sawn Finish Compatible with 1800mm and 1830mm width fence panels (however will need to be cut down slightly for 1800mm panels).