The product group includes manufactured masonry units made by forming and firing prepared mixtures of clay, shale and other materials. These are generically known as clay brick, clay brick pavers, and structural clay tile. Click here to view the entire document.

These product category rules (PCR) have been developed under the general program instructions for ASTM International’s Environmental Product Declaration (EPD) Program. The PCR are intended for use in preparing EPDs by North American organizations and other interested parties that use the standards referenced in Section 5.2 for clay brick, clay brick pavers, and structural clay tile.