ASTM C-216: What is it and why should I care?
Standards for brick, like ASTM C-216, cover specific uses of brick and classify the brick by performance characteristics. The performance criteria include strength, durability and aesthetic requirements. Selection of the proper specification and classification within that specification, along with proper design and construction, should result in expected performance.
Many of our competitors manufacture at C-652 standards, which allow for 40% void; requiring additional mortar per brick and increase likelihood for increased breakage. Read more details from the Brick Industry Association: Specifications for and Classification of Brick.