Everyone loves a well landscaped lawn and no landscaping is complete without Kerbing. Natural stone is the most popular choice for kerbing due to its durability. Kerbs used now days are dressed to a standard profile and finish. It comes in random length up to 2 meters or so. Road Kerbs serve a number of Purposes: Too retain the carriageway edge to prevent loss of the structural integrity, to act as a barrier between road traffic, pedestrians or verges, to provide a physical 'check' to prevent vehicles leaving the carriageway, to form a channel which surface water can drain away.