This job consisted in the extension of the SIKAROOF PRO+ system we performed in the facilities of a world known prestigeous tile company. We started by preparing and sealing the surface and all the elements that needed those processes and then we continued with the SIKAROOF PRO+ system. This waterproofing systems begins with priming the surface before spraying the liquid poliurethane membrane at high temperature. We end the system by coating the surface with a UV resistant poliurethane layer that will improve the energetic efficency of the building.