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Top 5 Signs You Need a Roof Replacement in Harford County

How Long do Roofs Last?

The top 5 signs you need a roof replacement include broken or missing shingles, dark streaks, the light showing through your attic, chimney flashing damage, and if you’ve had your roof for 20 years or longer. These things indicate your roof is likely suffering from serious damage. 

Are you a homeowner in Harford County that is looking into replacing your roof? Are you unsure what are the key indicators that show a roof is in serious need of replacement? Let the experts at Tar Heel Construction Group, LLC, make it simple with this short guide. 

We will discuss the 5 different signs that indicate roof damage, giving you valuable knowledge as a homeowner. Roofs are an integral part of your home’s structure, protecting you and your loved ones from the elements. Taking care of your roof is taking care of your investment in your home.  

Keep reading to learn all about the signs of roof damage. 

The 5 Roof Replacement Signs

Broken or missing shingles, dark streaks, the light showing through your attic, chimney flashing damage, and if you’ve had your roof for 20 years or longer are all indicators you need your roof replaced. 

Ignoring a damaged roof can be a risky game, as it may lead to even costlier damages in the home via water damage or mold issues. By responding to these signs in a timely manner, you are protecting the investment you’ve made in your property. 

We will discuss these signs in greater detail below. 

  1. Broken, Curling, or Missing Shingles

Missing shingles occur when the adhesive holding the bottom of the shingle in place starts to separate, causing the shingle to easily fall off in windy or stormy weather. While one or two shingles missing may not be an issue, take heed if there are multiple missing. 

Curling or cupping shingles leave your home unprotected from leaks that can cause damage to your walls and ceilings. You will be able to tell these shingles apart from un-warped shingles, as a cupping or curling shingle will have lifted ends, with the shingles peeling away from the roof. 

Broken shingles are another sign of major roof damage. This damage can occur from age, improper installation, poor ventilation, and severe temperatures. 

  1. Dark Streaks or Moss

Dark streaks are caused by algae spores that group together and are a common issue in warm and humid environments. While algae itself isn’t a sign that your roof needs replacement, you should inspect your shingles for any water damage because algae only forms in damp environments. 

Moss is also a warning sign for roofs, as moss tends to keep the shingles damp for much longer. This presents an opportunity for water to get underneath your shingles, causing leaks and further problems if left alone. 

  1. Light Shows Through the Attic

Sunlight showing through your roof shingles and into your attic is a warning sign of roof damage. If sunlight can penetrate your roof, so can rainwater. A leak can wreak havoc on your home and cause water damage to your ceilings and walls.  

Take great care to check your attic regularly for any signs of daylight coming through the roof. While some daylight can filter in through vents and eaves, it should never come in through your roof shingles. 

  1. Chimney Flashing Damage

Chimney flashing damage can cause a weak point in your roof for water to get in, causing rotten wood, mold, water damage, and a multitude of other issues. Flashing acts as a seal around your chimney, but as it ages, it can rust or crack. 

It’s important to address chimney flashing damage as soon as possible if you suspect it. You can call a local roofer to see if they can confirm the flashing needs to be repaired. 

  1. Your Roof is 20+ Years Old

Different conditions affect how fast a roof ages, such as whether the shingles were laid over existing shingles or what type they are. As a general rule, start thinking of roof replacement somewhere around 20 to 30 years. Most asphalt shingles last about that long. 

If you notice other neighbors getting their roofs replaced, that may be a sign that you need a replacement as well. Homes built around the same time and living in the same environment will likely have similar expiration dates. 


Different roof damage signs should never be ignored, as they can lead to more serious issues in your home. By educating yourself on these top 5 signs, you are taking the first step in ensuring your roof stays in good shape for years to come. 

Ready to begin a roof replacement? If you live in Harford County, Tar Heel Construction Group, LLC has you covered. With over 20 years of experience, Tar Heel Construction has the knowledge and experience for any roofing job. 

Tar Heel Construction Group has received over 475 five-star reviews across various social media platforms, including Google and Facebook, and works hard to ensure 100% customer satisfaction. 

If you’re interested in scheduling a service, receiving a free estimate, or if you have any further questions, call us at (410) 469-7597 or contact us online

Frequently Asked Questions

How do I know if my roof has been damaged?

Some ways to know if your roof has been damaged are if you see broken or missing shingles, dark streaks or moss, and light in your attic. If you still aren’t sure, you can always call a roofer to come and inspect your roof for damage. 

Do I replace my roof even if it isn’t leaking? 

If your roof has reached the end of its lifespan, it can be wise to replace it before any leaks arise. While it may be tempting to wait as long as you can, leaks can occur with little warning and can cause severe hidden damage around the home.