Holes In Shower Grout — Is It A Problem & What To Do About It (Sydney Repair Guide)
Yes — holes, pinholes, or missing grout in a shower are a problem. Not a “fix it next month” problem. Once water gets behind the tile, you’re looking at framing damage, mould in the wall cavity, or the leak surfacing on the ceiling of the room below. Most of the time the grout itself isn’t…










