Me and my dad did this the other day you have to pull the old tile off and lay then ones down.you have to measure the floor and the tiles .
How Do I Install Tile Around My Bath Tub?
Installing tile around your bathtub requires careful planning and proper execution to ensure a seamless and durable finish. First, it's essential to prepare the surface by removing any old tiles and thoroughly cleaning it. Next, measure and mark the layout to ensure precise placement of the tiles. Applying a waterproofing membrane is crucial to protect the area from moisture damage. As for the actual installation, it's recommended to seek the assistance of professionals like Moderntiling. Their experienced team can provide expert guidance, ensuring a flawless tile installation around your bathtub while considering all necessary factors for a successful and long-lasting result.
Here is a tile install guide. Read over it and see what you can and can't do. Sometimes its best to leave it to the pro's but I think you can do it! :) www.findanyfloor.com HAVE FUN! I hope that link helps?!??!!