1.1 This specification covers brick intended for use in masonry and supplying structural or facing components, or both, to the structure.1.2 The property requirements of this specification apply at the time of purchase. The use of results from t 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: G