This specification covers brick intended for use in masonry and supplying structural or facing components, or both, to the structure. Bricks shall be classified according to their resistance to damage by freezing when saturated at a moisture content: Grade SW and Grade MW. The facing bricks shall be classified into three types: Types FBS; FBX; and FBA. Durability; absorption alternate; freezing and thawing alternative; breakage and weight loss; cracking; low weathering index alternative; compressive strength; and initial rate of absorption requirements shall be tested for the material to meet the specified requirements.