Solid Barriers
y. Solid barriers such as concrete block, poured concrete and artificial rock can be used as the sole method of containment or in conjunction with other types of barrier.
z. Walls are secured in appropriate footings to ensure wall stability, and are of sufficient strength to anchor caging and furniture.
aa. Height of the wall is the same as that for fences.
bb. Design of areas using solid walls allows for sufficient air flow throughout an enclosure