Have you ever walked into your bathroom and noticed a musty smell that just won't go away? Or perhaps you've spotted discoloured patches creeping across your ceiling from the bathroom above? What about those mysterious damp spots appearing on walls that seem perfectly dry on the surface? If any of these scenarios sound familiar, you might be dealing with a waterproofing problem. Bathroom waterproofing  is one of those things most Melbourne homeowners don't think about until s