What’s Changed in ASTM C90 and TMS 602 Since 2000, and Why It Matters
While updates to ASTM C90 and TMS 602 have been in place for years, they still influence how modern masonry assemblies are specified and reviewed. Knowing where those changes occurred can help streamline plan review and inspection. 

Masonry has a long history of durable performance, but the standards that govern concrete masonry unit (CMU) construction have continued to change. As a result, ASTM C90 and the TMS…