Does silicone caulk stick to silicone caulk? Tips for DIYers
If you're staring at a peeling bead in your shower and wondering if you can just layer over it, the reality is that does silicone caulk stick to silicone caulk effectively enough to create a lasting seal? The short answer is a pretty firm "no." While you might get it to stay put for a week or two, it's not going to bond in a way that keeps water out long-term. Silicone is one of those stubborn materials that's designed to be non-reactive and water-repellent, which is great for your bathtub but a total nightmare when you're trying to patch a gap. ...