Two pavers are working here; as many as six have been known to work a single slab. Incidentally ... Also out of view are form-riding trimming and finegrading equipment, except for one being pulled by ...

When a slab is designed to turn down on top of a wall, you have to form the outer edges so that concrete doesn’t go over the top of the wall. Traditionally, this is done by cutting two by fours ...

As slabs shrink due to cooling and drying, shrinkage or tensile stresses start building and cracks form at contraction joints because the concrete is weaker or thinner at these locations.