✅ Follow @built.to.code for renovation tips ⬇️ Complete waterproofing guide below The invisible problem destroying bathrooms - and how to prevent it. Water damage behind shower tiles is one of the most expensive renovation failures. You don’t see it happening until it’s too late - by then you’re facing a complete tear-out. This orange waterproofing membrane is your first line of defense. Here’s how to install it correctly: Step-by-step installation: 1️⃣ Start with clean, dry walls - remove any d