Starting the tile on a bathtub wall can be a critical decision that affects the overall appearance and functionality of the tiled surface. There are different schools of thought on where to begin the first row of tiles, but the two most common approaches are:
Start at the Lip of the Tub: This method involves placing the first row of tiles directly on the lip of the bathtub. The tiles are aligned with the top edge of the tub, and the subsequent rows are built upwards from there. This approach is often recommended if you want a clean and even look along the top of the tub and if you're using bullnose or rounded edge tiles to finish the top row. By starting at the lip, you ensure that the top row of tiles fully covers the tub's edge, creating a seamless transition between the tile and the tub.
Start One Row Up from the Lip: In this approach, you begin the first row of tiles one row above the tub's lip. The bottom row of tiles is then set slightly above the tub's edge. This method is commonly advised if you want to avoid having cut tiles at the top row. By leaving a partial tile at the top, you can achieve a cleaner and more symmetrical look, especially if the tiles require intricate cutting to fit precisely at the top row.
The choice between these two methods can also depend on the type and size of tiles you're using, the dimensions of the bathtub, and personal preferences in terms of aesthetics.
Regardless of which method you choose, it's essential to ensure proper waterproofing before tiling a bathtub wall. Using a waterproofing membrane or cement board with a waterproofing layer is crucial to prevent water from seeping behind the tiles and causing damage over time.
Before starting the tiling process, it's a good idea to plan the layout carefully, measure accurately, and dry-fit some tiles to see how they align with the tub's edge. If you're uncertain about the process or have specific concerns, consulting a professional tile installer can provide valuable guidance tailored to your specific bathroom setup and tile choice.