SOIL COATING PAVEMENT: Enameled stoneware ceramic tile flooring, 25x25 cm, absorption capacity of water E <3%, group BIb, slip resistance Rd <=15, class 0, received with cementitious adhesive exclusively for indoor use, Ci, gray and grout with cementitious joint mortar type L, color White; PAVING BASE: Dry Solera F126.es KNAUF Brío formed by plasterboard with Brío fibers, 18 mm total thickness. STRUCTURAL ELEMENT