This stuff works great. I used it to seal around the top of my shower drain. Before trying this I used other 100% silicone and it only lasted about 3 weeks before it started pulling up. I applied this about 2 1/2 months ago and it's still going going strong. I live in a mobile home and it is really hard to get under it to fix it. If I have to reapply every once in a while it is still worth it. This is so much stronger than other silicones. It cures fast so be sure to smooth it out as soon as you put it down.