How Long Does a Roof Last? Kanga Roof Metro Detroit Experts

If you’re a homeowner in Metro Detroit, you’ve probably asked yourself: “My roof is about XX number of years old, do I need to replace it?” 

This is a question we hear all the time at Four Seasons Kanga Roof. The truth is, time alone isn’t the primary factor in determining if your roof needs replacement. The quality of the installation and the materials used are what truly dictate its longevity.

The Quick Answer: How Long Does a Roof Last In Michigan? 

In Michigan, the average roof is replaced every 17-19 years. For most roofs, this is far too soon! When you consider today’s manufacturer warranties, many are “lifetime” warranties, which often translate to 50 years of coverage. 

So, why are roofs in Metro Detroit being replaced so much earlier?

Why Roofs in Michigan Fail Too Early 

The top two reasons for premature roof replacement are:

1. Improper installation by the previous contractor.
2. Consumers are relying on outdated “rules of thumb.”

The Biggest Culprit: Improper Installation

Improper installation is, by far, the leading cause of roofs failing too soon. In Metro Detroit, there are between 600 and 1,000 registered roofing businesses. 

This number doesn’t even include: 

• DIY roof installations 
• Unlicensed contractors 
• “I know a guy” roofers, who often skip permits and disregard current building codes.

Sadly, most roofing companies don’t last. Industry reports indicate that: 

• Over 93% of roofing companies fail within 5 years
• After 10 years, 98% are out of business. 

This high failure rate is largely due to contractors cutting corners during installation and then being unable to afford to correct their mistakes when problems arise.

Common installation mistakes include: 

• Improper ventilation 
• Incorrect shingle nailing 
• Poor flashing installation 
• Skipping manufacturer specs 

It doesn’t matter if you choose the best roofing materials if they aren’t installed correctly. 

Understanding Roof Life Expectancy for Metro Detroit Homes

Another significant reason roofs are replaced prematurely is a lack of homeowner knowledge. We often hear sentiments like, “My neighbors just replaced their roof,” or “Well, roofs only last 20 years.” Neither of these is a good reason to rush into a costly roof replacement.

The real answer to “how long should my roof last?” is…It depends. It largely depends on the type of roofing system you have installed. 

The chart below outlines reasonable life expectancies for various materials, based on our combined 20 years of experience installing roofs in Metro Detroit at Four Seasons Kanga Roof.

While these are general guidelines, we’ve seen 30-year-old shingle roofs still performing well, and metal roofs less than 10 years old that require replacement. Ultimately, the best roof is one that is installed correctly from day one, ensuring you get the maximum possible life out of your investment.

Signs Your Roof May Need Replacement 

Instead of focusing only on age, look for warning signs such as: 

• Missing or curling shingles 
• Granule loss 
• Leaks or water stains 
• Sagging roof decking 
• Damaged flashing 

If you notice any of these, a professional roof inspection can help determine whether repair or replacement is the better option. 

Concerned About Your Metro Detroit Roof? Contact Four Seasons Kanga Roof Today! 

If you’re concerned your roof might be nearing the end of its life, we’d be happy to provide a comprehensive inspection of your roofing system. Our top priority is always to find ways to add years to the life of your current roof, if possible. If extending its life isn’t an option, we can provide detailed budgets for replacement, including various roofing materials, systems, and flexible monthly payment options to help you plan.

Our experienced team is ready to help. Schedule your inspection by calling us at 586-566-0308 or visit our website to pick your desired date and time directly.

We look forward to hearing from you soon and helping you achieve the longest-lasting roof on your block!

Sincerely,

Bill Burkhardt, Jr.

VP, Owner – Four Seasons Kanga Roof