Concrete To Concrete Joint. Concrete has the property of expansion and contraction due to temperature changes, which is resulting in a change in the volume of concrete. Concrete joints are normally used to prevent cracks when the concrete shrinks by creating forming, tooling, sawing, and placing joint formers. Joints can vary in location a few inches or even a foot or two without leading to cracks.

Control joints are planned cracks to compensate for inevitable changes in temperature and drying shrinkage. For stamped concrete, if the pattern has straight lines, such as slate, brick, or wood patterns, cut your joints to follow the stamped pattern as much as possible. For example, a 100 ft.
Gallery of Concrete To Concrete Joint
The expansion joint is provided at every 12m2 of concrete. The top section pulls free once the joint has been placed correctly in the wet concrete. To prevent the cracks caused by shrinkage and expansion, joints are created by forming, tooling, sawing, and placing joint formers in the concrete. This change in the volume of concrete can be the cause of concrete cracking.