What sort of certifications are there for shotcrete contractors? Is it important to require certification? Yes, it is important to require certification. ACI C660 – Certification of Nozzleman. By Coastal Gunite| 2015-02-27T18:52:00-05:00 February 27th, 2015|0 Comments Share This Story, Choose Your Platform! FacebookTwitterLinkedinRedditTumblrGoogle+PinterestVkEmail About the Author: Coastal Gunite Leave A Comment Cancel replyYou must be logged in to post a comment.
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