Metal Roof Replacement: A List of Red Flags You Need to Know

Metal Roof Replacement: A List of Red Flags You Need to Know

There are metal roofs that may survive for decades. But everything eventually has to be replaced. Metal roofing is no exception. With a metal roof, it’s almost impossible to tell how old the materials are.

If you see any of these warning signs, it may be time to replace your roof:

1. Discoloration and Rust

Your roof’s protective layer deteriorates due to significant spots of rust, which may lead to fractures, holes, and water damage over time. Rust is a sign that you must bring professionals to inspect your metal roof. 

This strongly indicates that your roof needs to be replaced rather than repaired. Your roof is aging and requires a new protective coating if it shows signs of rust. It’s merely a short-term repair; the metal will ultimately split and leak if the paint is applied over the rust. 

2. Your Roof’s Age

It is common knowledge that metal roofs have a very long useful life. Whatever your long-term plans, it’s crucial to consider how much value your roof will contribute if and when you decide to sell. 

This is true no matter how long you want to live in the house following installation. It is also vital to take note that the metal used in your roofing system will have a different lifespan than other metals. 

3. Leaks

As soon as you see any symptoms of leakage in your roof, it’s vital to act quickly. Whatever the issue’s size, you must seek the assistance of a qualified specialist. 

Water damage and decay in your roof’s structural support may be costly if not managed correctly. Depending on the age of your roof, patching a leak might be a short-term solution. 

If the top is over a decade old, replacing the whole thing may be more cost-effective and environmentally friendly. 

4. Sags and Dips

Metal panels might droop due to heat over time. As the metal ages and erodes, it loses effectiveness and becomes more susceptible to pooling. 

Rust and corrosion may lead to the demise of your roof if it is allowed to pool. A professional should inspect your roof if you see areas where water is accumulating. Please don’t put it off any longer; the situation will only worsen. 

Metal Roofs Have a Long Lifespan 

The general rule is that a metal roof should endure 40 to 70 years after installation. 

Assuming, of course, that no severe harm occurs throughout that period. The following is a breakdown of the life expectancy of some of the most prevalent kinds of metal roofs: 

  • They are grouped because both copper and zinc are known to have a maximum life expectancy of a century. While copper’s usual minimum lifetime is 50 years, zinc may last up to 60 years, making it more durable than copper. 
  • Roofs made of steel have a life expectancy of around 40 years. Compared to other roofing materials like asphalt shingles, this has a shorter lifetime, yet it still outperforms them (suitable for about 20 years before replacement is needed).
  • Even though aluminum is lighter than steel, it has a higher life expectancy. Because of their legendary resistance to corrosion, these roofs often endure for 50 years or more before needing to be replaced. 

Expertly Done Installation Makes a Key Difference 

A roof that has been professionally installed from the start will have a far longer lifetime. Your investment is protected thanks to a strong guarantee and high-quality roofing materials with a proven track record. 

Roofers that work with metal have a wealth of knowledge on adequately installing a roof. They know exactly what to do with your roof and how to keep it in good condition for a long time. 


First, be sure to check for any red flags that could indicate a problem with the roof. These include things like leaks, rust, or damage.

Second, get an estimate from a qualified contractor before you make any decisions. Doing so will help you to know what to expect in terms of costs and timelines. Finally, make sure to ask a lot of questions and get all the information you can before you make a final decision.

Cardinal Roof is a top-rated roofing company in Birmingham, AL. We provide roofing services for both residential and commercial structures throughout Alabama and Middle Tennessee. Set up an appointment today!