A tooled contraction joint in concrete is a type of joint that is created by using a hand-held tool to create a groove or channel in the surface of the concrete. The purpose of a tooled contraction joint is similar to that of a saw-cut contraction joint, which is to control cracking that can occur… Continue reading What is Tooled Contraction joint in concrete? Purpose of a Tooled Contraction Joint in concrete. Where to use Tooled Contraction Joint. Procedure to make a Tooled Contraction joint step by step.