Your roof is your home’s first line of defence against Auckland’s unpredictable weather, from driving rain and coastal winds to intense UV in summer. Knowing when to repair vs when to replace can save you thousands.
7 Signs Your Roof May Need Replacing
1. Age
Most roofing materials have a finite lifespan. If your roof is approaching or past these ages, have it inspected:
- Asphalt shingles: 20–30 years
- Colorsteel/iron: 40–50 years
- Concrete tiles: 40–50 years
- Clay tiles: 50–100+ years
- Cedar shingles: 25–40 years
2. Widespread Damage
A few missing or damaged tiles can be repaired. When damage is widespread across multiple areas of the roof, replacement is often more cost-effective than repeated patching.
3. Persistent Leaks
If you’ve had leaks repaired multiple times and they keep returning, especially in different locations, this often indicates the underlying structure or membrane has failed.
4. Sagging Sections
Any visible sagging or dipping in the roof surface indicates structural damage, potentially to the decking or rafters. This requires immediate professional inspection.
5. Moss, Lichen & Algae
Some moss is normal and manageable with treatment. But when moss has been present for years and has lifted tiles or shingles, it can cause significant underlying damage.
6. Granule Loss (Asphalt Shingles)
If you’re finding granules in your gutters, your shingles are reaching the end of their life. The granules protect the bitumen below, without them, UV degradation accelerates rapidly.
7. High Energy Bills
A deteriorating roof often means poor insulation performance. If your heating and cooling costs have risen without explanation, the roof could be contributing.
Repair or Replace?
A professional inspection is the only way to know for sure. We provide free inspections and honest advice, we’ll never recommend replacement if a repair will do the job properly.
Financing Available
If replacement is needed and cost is a concern, we offer 0% interest financing for up to 24 months. Your roof doesn’t have to wait.
Need a Roofing Professional?
Get a free, no-obligation quote from OneRoofing. We service Auckland, Northland, Wellington, Tauranga and Waikato.