Do not use cleaning agents containing hydrofluoric acid. It is recommended to fix tiles with a minimum joint of 1,5 mm. Do not fix without joint. For big sizes, it is recomended to fix with mortars containing polymeric additives and to use the double glueing technique. Mosaic tiles must be grouted. This document is only commercial and cannot be used as expert opinion, documentary evidence or in any legal or administrative procedure unless authorized by URBATEK S.A. In its polished finish, due to high gloss, light reflection can create optical effects that resemble stains. In no case they do not comply with the ISO 13006 product standard. Being the ceramic material that most resembles natural stone, it can show slight variations in shade, color spots and vein among pieces. #Refer to section 4 of the support document DB/SUA 3. This material can be installed in public, dry areas with a slope under 6% (it gets the same classification as a Class 1 according to wet pendulum)