Expert Metal Roof Repairs on the Mornington Peninsula – Protect Your Home from the Elements
- Unlimited Plumbing
- Mar 17
- 4 min read
Metal roofs are built to last. They’re strong, weather-resistant, and can handle just about anything nature throws at them — until they don’t. Over time, even the most durable metal roof can start to show signs of wear. Leaks, rust, loose screws — these small issues can quickly turn into major headaches if they’re not addressed.
At Unlimited Plumbing, we’ve been helping homeowners across the Mornington Peninsula keep their metal roofs in top shape for years. In this guide, we’ll walk you through the most common metal roof problems, how to spot them early, and what you can do to fix them before they become costly disasters.
Why Metal Roofs Fail (And How to Fix Them)
Metal roofs are known for their strength and longevity. A well-maintained metal roof can last 40 to 70 years, which makes them a smart investment. But even the toughest materials can’t escape the wear and tear of time and harsh weather. Here’s why metal roofs fail — and what you can do about it.
1. Loose or Missing Screws
Screws play a critical role in keeping your metal roof panels secure. Over time, the natural expansion and contraction of metal due to temperature changes can cause screws to loosen. When that happens, water can seep through the gaps and cause leaks.
Solution:
Regularly inspect the roof for loose or missing screws.
Replace any screws with rubber washers, as they create a better seal.
Make sure the screws are properly tightened but not over-tightened, which can damage the metal panel.
2. Rust and Corrosion
Metal and moisture don’t mix well. Over time, small scratches or chips in the protective coating can expose the bare metal underneath, leading to rust and corrosion.
Solution:
Clean off any rust with a wire brush and apply a rust-inhibiting primer.
Seal the area with a protective roof coating to prevent further exposure.
If the rust is extensive, you may need to replace the affected panels.
3. Poor Installation or Workmanship
A metal roof is only as good as its installation. Poorly aligned panels, incorrect screw placement, and improper sealing can all lead to leaks and structural issues down the road.
Solution:
If your roof was poorly installed, it’s best to have a professional assess the damage.
Proper sealing and realignment of panels can resolve many issues without needing a full roof replacement.
How to Spot Metal Roof Damage Early
Catching problems early can save you thousands in repair costs. Here’s how to spot damage before it becomes a major issue:
✅ Water stains on ceilings – A clear sign that water is seeping in from the roof.
✅ Rust spots or discoloration – Indicates that the protective coating is compromised.
✅ Loose or missing screws – Obvious gaps where panels aren’t secured properly.
✅ Sagging or uneven panels – This could point to a problem with the roof structure itself.
✅ Increased energy bills – Poor insulation from roof gaps can make your HVAC system work harder.
Why Metal Roof Repairs Are Different from Other Roofs
Unlike tile or asphalt roofs, metal roofs require a specific set of tools and techniques. The panels are held in place with screws and washers rather than nails. This means that repairs involve not just sealing the leak but also addressing any underlying issues with the fasteners and structural integrity.
At Unlimited Plumbing, we use high-quality fasteners and sealants designed specifically for metal roofing. We also inspect the roof’s flashing, ridge caps, and panel alignment to make sure you’re not just fixing the symptom — you’re solving the root problem.
Why Fast Repairs Matter
Ignoring a small leak or loose screw might seem harmless, but metal roofs are unforgiving. One loose screw can allow water to penetrate the roof cavity, leading to:
Mould growth
Structural damage
Increased repair costs
Reduced roof lifespan
The faster you address metal roof issues, the less expensive and disruptive the fix will be.
Q&A – Everything You Need to Know About Metal Roof Repairs
Q: What is the biggest problem with metal roofs?A: The most common problem with metal roofs is leaking caused by loose screws or improperly sealed fasteners. Over time, the constant expansion and contraction of the metal can cause screws to back out or the rubber washers to degrade, leading to water penetration.
Q: What is the average cost to replace screws in a metal roof?A: The cost to replace screws on a metal roof can vary depending on the size of the roof and the type of screws used. On average, you can expect to pay $500 to $1,500 for a full screw replacement on a standard-sized roof. This includes labour and materials.
Q: Can you repair a metal roof?A: Yes, metal roofs are very repairable. Most common issues, such as leaks, rust, and loose fasteners, can be fixed without needing to replace the entire roof. However, repairs should be handled by a professional to avoid creating new issues or damaging the metal panels.
Q: What is the most common leak on a metal roof?A: The most common leak on a metal roof comes from screw failure. When screws loosen or the rubber washers break down, water can seep through the small gaps. Flashing around chimneys and vents is another common weak point.
Why Choose Unlimited Plumbing for Metal Roof Repairs on the Mornington Peninsula
We know metal roofs inside and out. At Unlimited Plumbing, we’ve handled metal roof repairs for residential and commercial clients across the Mornington Peninsula for over a decade.
When you work with us, you’re not just getting a quick fix — you’re getting a long-term solution. We use high-quality materials, expert techniques, and detailed inspections to make sure your roof is solid for years to come.
What sets us apart:✔️ Fast response times✔️ High-quality materials and fasteners✔️ Experienced technicians✔️ Competitive pricing
Don’t Let Small Metal Roof Issues Become Big Problems
If you’ve noticed leaks, rust, or loose screws on your metal roof, don’t wait. Fast action can save you thousands in future repair costs.
👉 Contact Unlimited Plumbing today for a free inspection and expert metal roof repairs on the Mornington Peninsula. Let us help you protect your biggest investment — your home.
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