Cover sandwich steel sheet lacquered wood veneer its underside and imitation tile on the upper side, installed in the Sant Andreu district of Barcelona. In this paper we maintained the existing old roof brackets since they were in good condition, installed steel panels tongued each seal the joint top with polyurethane foam and neutral silicone. They also installed a channel whose water collection downspout was placed on one side. This type of roof provides rigidity and safety due to its two steel faces, plus thermal and acoustic insulation thanks to the foam inside it, requires no maintenance or periodic reviews, and installation is relatively quick and painless. In this task also installed a canopy of invisible arms as seen in the first picture. This worked was finished in little more than a morning of slaughter by three workers. For more information please contact us, we will respond without any commitment.