Compared to the brand I tried first, this one is 100% better. Although the adhesion is initially very strong, regularly exposed to water weakens. The best defense against enemies is a layer of super glue, a tip I learned from using a brand name that doesn't stick at all! It's simple but easy, the turns are tricky and frustrating. Instructions and advice were given if requested. If you don't plan on painting over them, expect discoloration. It can be helpful to use grout markers to update the color. Define the finishing touch or decorative element for uneven grout or failed grout work. Not a substitute, it is not as strong and durable as 100% silicone.