Mechanical devices intended to prevent movement across joints in concrete slabs, joint stabiizers, were invented in 2005. To determine their long-term performance, the author went back to check some early installations.
After reviewing dozens of entries our panel of judges declared Geoff Ayton winner of the 2010 Concrete Construction Joint Challenge.
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The Challenge: Lay out all control joints, construction joints, and isolation joints to provide for shrinkage and eliminate the possibility of cracking.
Among the 60 entries to CC's Construction Joint Challenge, Richard Albright, owner, Richard O. Albright Inc., Carmel, Ind., won first place with his detailed layout of isolation joints.