Posted by C. Linton on December 29, 1999 at 15:48:56:
I have a spec for CMU: It says "units shall meet ASTM C 90 and ASTM C 145 Type N-1 and also ASTM C 62 and C 216, Grade SW..." Do these last two standards refer to CMU as well as brick. I found another spec that referenced them but most do not.
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