Not sure whether to patch or replace? Here are the seven signs your roof has passed its service life.




Concrete tile roofs last roughly 25 to 40 years, terracotta 50+ and Colorbond 40 to 50. If yours is past that mark, every repair is borrowed time.
One leak after a specific storm is a repair. Leaks in different rooms every winter is a pattern, and it means the whole roof is failing, not one tile.
Widespread cracking, glaze gone, tiles slipping. When you can't walk the roof without breaking tiles, patching is no longer economical.
Moss holds moisture against the tile and accelerates breakdown. A little is cosmetic. Everywhere is a warning sign.
A visible dip in the ridge or between rafters means the structure underneath is compromised. That's past a patch.
Your roof is literally washing away into the gutter. It's losing material faster than it's keeping it.
When repairs approach 40 to 50% of a new roof, you're paying twice for the same problem. That's the line.
Cost, lifespan, heat and weight compared honestly.
Read the guide →Make your Adelaide roof last years longer.
Read the guide →Related: Roof replacement in Adelaide and What a roof costs.
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