They are placed along the entire width of the slab 3.00 meters apart.
Its function is to transfer loads to other slabs eliminating free edges between them. No reinforcing of concrete or joints is required.
It incorporates a rubber seal which prevents the filtering of water to the esplanade. No cutting is required, the concrete will crack along the joint line induced by it.
Joints are attached to a metal template rule for concrete pouring operations.
The standard widths of the slabs do not required longitudinal joints.