Describe the typical sequence of steps for installing ceramic tile in a wet area.

• A. Ensure substrate flat/clean; install moisture barrier if required; backer board/underlayment; apply thin-set; lay tiles with spacing; cut; allow to set; grout; seal if needed.
• B. Apply grout first, then set tiles.
• C. Skip substrate prep; place tiles directly on concrete.
• D. Use standard wood subfloor with carpet.

Answer: (C)

Installing ceramic tile in a wet area hinges on starting with a stable, clean, and moisture-controlled surface, then following the proper sequence to ensure a durable bond. Begin by making sure the substrate is flat and free of dust, oils, and debris. If the project calls for it, install a moisture barrier to block water intrusion, which is crucial in showers and other damp zones. Then lay down a suitable backer board or underlayment to provide a rigid, water-resistant base for the tiles. With the prepared surface, apply thin-set mortar and set the tiles with consistent spacing to keep even joints and straight lines. As you work, cut tiles to fit edges and maintain pattern alignment. Allow the tile to cure before grouting the joints, and then grout to fill the gaps and secure the tile matrix. Seal the grout or follow the system’s sealing requirements if specified by the manufacturer or code. This order matters because proper substrate prep and moisture control prevent movement, cracks, and water damage that can jeopardize adhesion and longevity in wet areas. Skipping substrate prep or moisture considerations, or using a wood subfloor or carpet, would undermine stability and moisture resistance, making tile prone to failure.