ASTM C90 (Standard Specification for Loadbearing Masonry Units)

ASTM C90 is a standard that outlines the specifications for loadbearing masonry units, which are strong blocks used in building walls and structures. This standard ensures that these units meet specific criteria for strength, size, and other properties to ensure safety and durability. By adhering to ASTM C90, manufacturers produce masonry units that can effectively support the weight of buildings and withstand various conditions. Compliance with this standard helps builders create stable, reliable structures that can last over time while meeting industry safety requirements.