After decades of repairing leaking showers across Australia, we have seen every well-intentioned fix imaginable. Some are harmless. Others turn a one-day grout repair into a four-figure remediation. Here are the four mistakes we see most often, and what to do instead.
Mistake 1: Sealing over the problem
The most common DIY response to a leak is a fresh bead of silicone over the suspect area, or a paint-on clear sealer across the grout. These products have their place, but applied over failed grout they simply trap the problem. Water keeps entering through the cracks the sealant missed, and now it also struggles to dry out. A leak that is masked is not a leak that is fixed.
Mistake 2: Ignoring it because it "seems small"
A slow leak feels harmless because the damage is invisible. But moisture behind tiles travels — into wall framing, under floor coverings, along skirting boards. Mould growth, timber rot and structural damage all start with a leak someone decided to watch for a while. The cheapest time to fix a leaking shower is always now.
Mistake 3: Assuming the tiles have to come off
Many homeowners delay repairs for years because they believe fixing the leak means demolishing the bathroom. In most cases it does not. Failed grout and perished seals — the cause of most leaks — can be fully replaced with the tiles left exactly where they are. The shower is usually back in service the next day.
Mistake 4: Choosing a generalist for a specialist problem
A leaking shower is a diagnostic job before it is a repair job. Water rarely shows up where it escapes, and misdiagnosis is how people end up paying for work that does not stop the leak. Look for a specialist who inspects before quoting, explains what they found, and stands behind the repair with a genuine warranty — ours is 10 years, waterproof, no questions asked.
Avoid these four traps and a leaking shower becomes what it should be: a solvable, affordable, one-day problem. If you are seeing damp smells, mould or water where it should not be, get the shower assessed before the leak makes the decision for you.
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