Subscribe One Truebase Plastic Paver Grid 575mm x 380mm - Green TrueBase interlocking ground and grass reinforcement grids are ideal for strengthening and stabilizing the surface of car parking areas, driveways, paths, access roads, construction sites, horse facilities and as a base for garden buildings such as sheds and garden rooms. With above average durability, TrueBase grids have a closed construction and thick walls which prevents the movement of aggregate which is essential especially when used for roads and car.