| May 27, 2026
7 Signs Your Roof Needs Repair
Roof problems almost never start as emergencies. They start as a small cracked tile or a bit of perished pointing — cheap to fix today, but a damaged ceiling and a five-figure repair if you leave it a few winters. The trick is catching the early signs. Here are seven to watch for on Melbourne homes.
1. Water stains on ceilings or walls
A yellow-brown stain on a ceiling or a cornice is the classic sign water is getting in. By the time it shows inside, the leak has usually been active for a while — water can travel along timbers before it drips. Don’t repaint over it; find the source first.
2. Cracked, slipped or missing tiles
Walk around your house and look up after a windy day. A few cracked or slipped tiles are normal wear, but they’re an open door for water. Replacing them early is one of the cheapest jobs there is — and one of the most important.
3. Crumbling or cracked ridge capping
The mortar (pointing) along the ridges and hips is the number one source of leaks on Melbourne tile roofs. Our big day-to-night temperature swings crack old rigid pointing, and rain then drives straight under the caps. If you can see gaps or loose, flaking mortar from the ground, your ridges likely need re-bedding and re-pointing.
4. Rusty gutters, valleys or flashings
The metal parts of your roof wear out faster than the tiles. Rusted valleys (the metal channels where two roof slopes meet) are a leading cause of leaks that seem to come “from nowhere”. Rust streaks, holes or sagging in your gutters are a clear repair signal — and a blocked or rusted gutter can push water back under the roof line.
5. Moss, lichen and a “dirty” looking roof
Moss and lichen aren’t just cosmetic. They hold moisture against the tiles, work into gaps and accelerate deterioration — especially on shaded, south-facing slopes common in leafy Melbourne suburbs. Heavy growth is a sign the roof needs cleaning and likely sealing.
6. Sagging rooflines
Stand back across the street and look along the ridge and edges. Any visible dip or sag suggests a structural or moisture problem in the framing and needs a professional look promptly — this is not a wait-and-see item.
7. Daylight or damp in the roof space
If you can safely get into the roof cavity, look (during the day) for any pinpoints of light coming through, damp timber, or a musty smell. All three mean water is finding a way in.
What to check after a Melbourne storm
Our storm seasons — and the odd hailstorm — do real damage. After severe weather, it’s worth checking for:
- Tiles on the ground or visibly shifted
- Debris and branches on the roof
- Overflowing or detached gutters
- Fresh water stains appearing inside
If you spot storm damage, photograph it for insurance and get it assessed quickly before the next downpour.
A leak isn’t always where the stain is
This catches a lot of people out: water can enter at a cracked ridge cap or rusted valley, run along a batten or rafter, and drip several metres away. That’s why chasing a leak yourself is frustrating — and why a proper inspection traces it back to the actual entry point.
When to call a roof plumber
Minor things — clearing gutters, noting a cracked tile — you can keep an eye on yourself. But anything involving active leaks, ridge capping, valleys or working at height is a job for a licensed roofer. Roofs are slippery and falls are serious; we use proper fall-arrest safety on every job for good reason.
Caught early, most of these are quick, affordable roof repairs. Left alone, they turn into ceiling replacements and rot. If you’ve noticed any of the signs above, it’s worth a look now.