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Jul 15, 2016

Warning Signs That Your Roofing Needs Replacement

Your roof is sturdy and reliable, but over time, even the best roof might need replacement. But if you see signs of damage on your roof, you might struggle to know if you should simply repair the roof or replace it entirely.

There are a few sure signs that you need to replace your roof, depending on the material your roof is made from. Use the following information about roof materials to understand when your roof needs to be replaced rather than repaired.


Many homeowners opt for metal roofing because of its durability. Metal roofs typically have a lifespan of 30 to 100 years. However, like any other roofing material, metal won’t last forever and will eventually need to be replaced.

If you notice rust forming on your roof, it’s usually a sign that the protective coating on the metal has started to deteriorate. Once this coating is gone, water will tarnish the metal, which will begin to rust. Most metal roofs experience rust near vents, skylights, seams, and ridge caps.

Water can also cause leaks on metal roofs by wearing away the protective coating. Although these leaks may seem harmless at first, they may lead to electric damage or hazardous mold over time.

Metal roofing panels may warp or loosen from bad weather. Once a metal roof panel pulls away from your roof, pests can enter your home through the crack. If you experience rust, water, or panel damage, you will likely have to replace your metal roof.  

Asphalt Shingles

Asphalt roofs are one of the most popular types of roofing because of their resilience, low cost, and hassle-free installation. In the United States, 75% of homes have asphalt roofs. Although asphalt is more cost-effective than other materials, it tends to have a shorter lifespan than other materials like metal roofing. Asphalt roofs typically last anywhere from 15 to 30 years before they require replacement.  

Asphalt roofing usually requires replacement once the shingles start to lose excessive amounts of granules. If you notice a lot of granules in your roof gutters, it may be a sign that you will need to replace your roof soon.

Wood Shingles

Wood shingles typically last 30 to 50 years before they need to be replaced. The most common causes for repairs on wood shingles are mold and rot. You can identify a mold issue by noting the color of your wood shingles. If your shingles look gray or black, you may have a mold problem. Black dots on shingle surfaces are also signs that the wood has begun to rot.

If you see excessive mold or rot on your wood shingles, call a roofing technician to assess the damage. In cases of extreme damage, you will likely need to replace your roofing.

Slate Tiles

The most common reason for repairing slate roofing is excessive water damage. Water damage may occur from natural wear and tear as well as from inclement weather. Slate tiles that have undergone heavy water damage tend to become soft and brittle.

Excessive water damage to slate roofing could even allow water to leak into the attic. If you find water damage in your attic, your slate tiles are likely too old to repair and will require replacement.

Some damages to slate tiles can be repaired if the damaged tiles are in a small, concentrated area on your roof. Typically, if a roof has water damage to only one area of the roof, the problem isn’t with the slate tiles. Instead, the problem could be coming from issues with underlying building materials that can usually be repaired.

On the other hand, if you find damaged tiles all over your roof, the tiles are likely too old to repair and will require you to replace your roofing.

If you find one of these types of damage on your roof, contact a roofing technician for a more detailed roof inspection. He or she can help you diagnose the roof damages and help you determine if it’s time for you to replace your roof. 

Thank You for a nice job on our roof! We appreciate the way you take care of us!

~ Larry M. - Omaha, NE.