A pony wall is a short wall. In different circumstances, it may refer to: a half wall that only extends partway from floor to ceiling, without supporting anything. a stem wall, a concrete wall that extends from the foundation slab to the cripple wall or floor joists.Click to see full answer. Correspondingly, what is a small wall called?Pony wall (or dwarf wall) is a general term for short walls, such as: A half wall that only extends partway from floor to ceiling, without supporting anything. A stem wall—a concrete wall that extends from the foundation slab to the cripple wall or floor joists.Likewise, how high is a pony wall? about 3 feet tall Besides, why do they call it a pony wall? Pony walls differ from knee walls, which are generally intended to support something such as a countertop, handrail, or rafter. The supposed origins of pony walls confirms the name: It’s said short walls were originally added to stables for ponies.Are half walls load bearing?If the wall is a partial wall, meaning it stops short of an adjacent wall, it may or may not be load-bearing. For example, the builder may have installed a microlam beam to span across the opening and carry the load above. Therefore, you cannot assume that a partial wall is a partition wall.