5 Telltale Signs of a Roof That Needs Replacement

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February 9, 2023

Even the most high-quality roofs installed by the best roofing companies in Vermont will eventually need replacing. Through normal wear and tear, weather, and other factors, roofs will eventually need to be replaced. The life expectancy of a roof can vary greatly depending on the type of material used and the quality of the installation.

If you notice any signs of wear or damage, it is crucial to contact a professional roofing company to assess the situation and determine the best course of action. Here are five signs of a roof that needs replacement.

1. Missing or Damaged Shingles

Shingles are the protective layer that covers your roof. When they become loose or damaged, water can penetrate the roof, leading to leaks and water damage. This can cause various issues, including mold, mildew, and structural damage. Not only can this be costly to repair, but it can also put your family at risk for health problems.

If you’re noticing missing or damaged shingles on your roof, it’s crucial to take action as soon as possible. The best solution is to replace your roof with a roofing company near you.

2. Sagging Roof Deck

Sagging roof decks can be a significant issue for homeowners. Not only does it look unattractive and potentially decrease the value of your home, but it can also lead to severe structural and water damage. Understanding the causes and solutions for a sagging roof deck can help you take the necessary steps to ensure the longevity and safety of your home.

The most common cause of a sagging roof deck is inadequate ventilation. Without proper ventilation, the air trapped in the attic space can cause the deck to become overheated and weakened. Additionally, the heat can cause the deck to warp and sag if the attic space is not adequately insulated. To prevent this, ensure your attic has proper ventilation and insulation.

3. Curling Shingles

When shingles start to curl, it’s usually because of age and weathering. Over time, the sun’s ultraviolet rays and extreme temperatures can cause the asphalt in the shingles to break down, resulting in the shingles curling up.

Not only are curled shingles unsightly, but they can also create several problems for your home. Curled shingles can cause water and moisture to penetrate your roof and cause water damage to the interior of your home. In addition, they can also create a breeding ground for mold and mildew.

4. Algae or Mold Growth

Algae and mold growth can signal that your roof is not adequately ventilated or needs some maintenance. If left unchecked, algae and mold can damage the roof and cause costly repairs. 

Algae and mold growth can be identified by dark streaks or discoloration on your roof. The streaks may be black, green, gray, or even orange. Algae and mold are more likely to grow in humid and moist conditions, so if your roof is not ventilated correctly, you may be more prone to this growth. 

5. Leaks

Leaks are a sure sign that your roof needs replacement, as various factors, including missing or damaged shingles, poor installation, and improper ventilation, can cause them. If you see any signs of a leak, you must contact a professional roofing company to inspect the roof and determine the best course of action.


If your roof shows signs of age, such as missing or damaged shingles, leaks, or areas of wear and tear, consider a roof replacement. Replacing your roof can improve your home’s energy efficiency, protect it from the elements, and increase its value. A professional roofing company can help you determine the best solution for your home and provide you with a quality new roof that will last for years.

When it comes to roofing companies in Vermont, you can’t go wrong with choosing Three Mountain Roofing. We offer a 100% guarantee on all of our projects. Contact us today to learn more. 

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