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Find-a-Contractor Masonry Buyer's Guide

Robert L. Nelson

Robert L. Nelson is President of Robert L. Nelson & Associates, Inc. Construction Materials Laboratory.

2 articles by Robert L. Nelson:

technical

Field Testing of Mortar

Field Testing of Mortar

The American Society for Testing and Materials (ASTM) has developed two distinct standards for testing masonry mortars: ASTM C 270 and ASTM C 780. Full story

masonry

Autoclaved Aerated Concrete



 

Working together to train our future workforce.”

Curtis Hoover
Center of Applied Technology - North
MCAA member since 1999

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