Composed of RS beams with props, Rectosten Coffrant interjoists, Rectolight interjoists and a Floor Box and Roof Terrace, the Equatio Etage floor offers better thermal performance and makes it easier to reach the new Bbio thresholds ! With this installation tutorial, learn, step by step, how the installation of Equatio Etage flooring with cold sealing is carried out. The example here is with Rectolight interjoists, but the process is the same with Rectosten interjoists.