Brick walls can be broadly classified into the following three categories:
Solid Brick Wall: These contain two or more layers of brick, which are secured together with perpendicular header bricks or metal ties for added security. Such walls do not have any empty space between the bricks and can be used for both exterior and interior work. The strength of this brick wall depends on its thickness and durability of the brick and mortar.
Cavity Brick Wall: Such brick wall designs feature an air pocket that acts as a buffer to prevent water seepage. The outer layer of brick is situated 2-4 inches away from the inner support wall, which could be made from concrete blocks, poured concrete, or even brick. They are suitable for exterior work as they are non-load-bearing.
Veneer Brick Wall: It is a brick wall interior design where a single layer of brick tiles for the wall is attached to steel or wooden studs. It is used for aesthetic reasons as well as for insulation from external elements.