We released the first in a new series: Inspecting Concrete.

“The History of Concrete” is our first article in the series and we’ll post them all on this one thread in the Structural forum as we publish, so go there to enjoy: http://www.nachi.org/forum/f23/history-concrete-first-new-series-inspecting-concrete-64344/

WOW! where did you get all this research.:smiley:


He did the research for this series as well: http://www.nachi.org/mastering-roof-inspections.htm

Constituent Materials of Concrete.