Pockets and holes still occur, however are easier to repair as they develop. Sand and clay must be well mixed, leveled, and packed before horses are placed in the stalls. Sand Straight sand can be used as an inexpensive flooring as it requires no additional bedding. It is a poor bedding choice for many horses due to the potential for colic. Horses in sand stalls will tend to ingest some of the sand particles and increase the risk of colic.
Sand is preferred as an underlayer for other flooring materials as it provides excellent drainage.
Limestone Dust Stall floors constructed of limestone dust can be excellent, if properly installed. Limestone should be placed over a good base that allows adequate drainage. A key in construction is to have the flooring watered and packed before use. Obtaining a level, hard surface is essential to durability and ease of maintenance of limestone floors. When properly installed, this flooring can be nearly as hard as concrete floors.