Stall flooring is something you notice every day in the barn. It affects how much you spend on bedding, how long stalls take to clean, how strong the ammonia smells, and how comfortable your horses are when they stand and lie down. Rubber stall mats and stall mattress systems can both work very well if they sit on a solid, gently graded base with a clear drainage plan and a realistic cleaning routine. They can both cause problems if urine has nowhere to go and wet spots are n