The details of bathrooms and their installation in drywall walls are presented; observed the type of anchorage that is a wooden plug screw with fixing screws and part of the sanitary installation both in hygienic services; hand and urinal washing; likewise, the 89 x 38 x 0.90 mm stud profiles and self-drilling or spax screw flush with the partition are displayed so that the 8mm fiber cement sheet fits in the best way within the walls, also considering a 30x30 vitrified ceramic-type veneer area. the software used is autocad version 2016 but version 2013 enabled for easy handling of the file.