How Long Can I Expect My New Shingles to Last?

by | Last updated Jun 27, 2024 | Roofing

Be honest, what goes on in your mind when you make high-ticket investments like a new set of roofing shingles? The primary concern, of course, is how long the new roofing shingles will last. Well, that depends on multiple factors, such as environmental conditions, the quality of shingles, and proper installation.

On average, new shingles last 20-30 years if your local area experiences moderate weather conditions. The shingles must be high quality and installed correctly to last that long. They may not last a day if natural disasters like hurricanes or hail storms hit your area. Poor installation will also dramatically reduce their lifespan. 

In this post, we’ll discuss the different types and qualities of roofing shingles. We’ll also cover the different factors affecting how long roofing shingles last and the steps you can take to extend their lifespan.

Types of Roofing Shingles

Before we dive into the factors affecting shingle lifespan, let’s first understand the different types of roofing shingles available in the market. The most common ones include:

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1. Asphalt

These are by far the most popular type of roofing shingles due to their affordability and versatility. Choose from a diversity of colors and styles, so it’s easy to get shingles that complement your home design.

2. Wood

Wooden shingles provide a natural, rustic look to homes. They are also durable and environmentally friendly.

3. Metal

These shingles have become increasingly popular due to their durability and energy efficiency. They can mimic the look of other materials, such as wood or slate.

4. Tiles

This option is popular among homeowners in warmer climates. They have a longer lifespan than other shingles but are heavy and demand additional structural support.

5. Architectural 

These shingles entail multiple layers and provide a more dimensional look to roofs. They are also more durable and last longer than traditional asphalt shingles.

Factors Affecting Shingle Lifespan and How To Prolong It

Now that we know the different types let’s discuss the factors affecting how long shingle roofs last. They include:

1. Climate

How do hot summers affect shingle lifespan? What about snowy winters? Extreme temperatures stretch or contract shingles too much, resulting in cracks. In warmer climates, UV rays can also break down shingles over time.

But there’s also rain and hail to worry about. What about high winds? Hail and strong winds often cause substantial damage to shingles and shorten their lifespan. It’s essential to consider your climate when choosing the type of shingles and brand you want to use for your roof.

In Kentucky, for example, the summers can be extra hot, and the winters can be freezing cold. The rainy seasons can also bring strong winds and the occasional hail. For this area, you should choose shingles that are durable enough to withstand these fluctuating weather conditions.

2. Installation Quality

A shingle roof consists of individual overlapping elements, or shingles, that are laid in rows to create a waterproof barrier on the roof. Different shingle types require different installation methods, but the basic principles are similar across all types.

In order to install a shingle roof, here’s an example list of commonly needed materials:

  • Roofing felt.
  • Starter shingles.
  • Nails.
  • Flashing.
  • Ridge caps.

The installation process requires precision and attention to detail for maximum effectiveness. When you see professionals installing shingles, it may look like they are moving too quickly to be paying proper attention, but the truth is they’ve trained themselves to move fast and they know what to look out for.

Poor installation drastically cuts the expected lifespan. For example, nailing shingles the wrong way can cause them to lift and be vulnerable to wind damage or water infiltration.

Misaligning shingles or using too few nails can also lead to similar issues. Always hire a professional roofer because they have safety equipment and tools that aren’t commonly held by non-professionals and it’s easy to make a mistake when you lack experience.

3. Roof Peak and Ventilation

Did you know that how you shape your roof’s peak can affect its lifespan? The roof’s peak is the highest point of your roof, where two sloping sides meet. It helps shed water and snow, so it’s essential to maintain it correctly.

If you live in an area with heavy snowfall, ensure your roof has a steeper slope to prevent ice dams from forming. Ice dams are a result of snow on the roof melting, flowing downwards, and refreezing at the edges. Consequently, the water flow gets blocked, leading to potential water damage.

It’s also crucial to have proper ventilation in your attic. Without it, warm air from the house can become trapped, causing moisture buildup. This commonly results in mold growth and water damage to the roof’s structure.

Consider having ridge vents installed at the peak of your roof and soffit vents under the eaves for proper ventilation. The vents will allow hot air to escape and prevent moisture buildup, prolonging your roof’s lifespan.

4. Roof Maintenance

One of the most crucial aspects of roof care is periodic inspection, cleaning, and maintenance. Frequently checking for signs of any roof damage and promptly addressing them helps to handle the problem before it worsens.

We recommend that you have your shingle roof inspected twice a year, preferably in spring and fall. During these seasons, look for issues such as missing or damaged shingles, debris accumulation, mold growth, and water stains.

Be sure to have any blockages on your roof cleaned and cleared. An accumulation of debris, such as leaves and branches, can cause water pooling and damage to the roof’s structure.

For any issues found during the inspection, it’s best to have a professional roofing company handle repairs. Attempting to fix the problem yourself can be dangerous and may result in further damage if not done correctly.

Proper maintenance also involves trimming nearby branches so they don’t fall on your roof or push against it. Such branches may break during high winds, damaging parts of your roof.

Keep an eye out for any signs of pest infestation as well. Termites, in particular, are known for weakening wooden structures and causing structural failures.

Don’t delay replacing all the damaged or missing shingles you discover. It will help to prevent water from seeping into your roof’s underlayment and causing further damage. Additionally, check the condition of your flashing and replace it if needed.

5. Shingle Quality and Brand

We can’t emphasize enough the importance of using high-quality shingles for your roof. While quality improves the overall look, durability and weather resistance are even more crucial.

If you want to save money in the long run, go for high-quality shingles. They last longer and you won’t have to repair or replace them frequently.

Several reputable roofing brands are on the market, and research is necessary to find the best one for your home. Look at reviews and warranties, and ask for recommendations from friends and the contractor you plan to use for installation, as they’re likely to know what works well in your area.

Don’t be afraid to spend a little extra on high-quality shingles; it’s an investment that will pay off in the long run.

Signs That Your Shingles Need Replacement

1. Buckling Shingles

The most obvious tell-tale sign that your shingles need replacement is when they start to buckle. It occurs when the shingles lose their flatness and begin to curve or bubble up.

Buckling can happen due to improper installation, but it usually indicates that the shingles have reached the end of their lifespan. Timely replacement is necessary to prevent further roof damage.

2. Missing or Damaged Shingles

High winds, severe weather, and poor maintenance are the most common reasons your roof shingles may be damaged or missing. Even when just one shingle is missing or damaged, it’s never a trivial matter.

Your roof becomes vulnerable to leaks, letting water into the underlying layers. Both scenarios require immediate attention and replacement because they compromise your roof’s structural integrity with time.

3. Granule Loss

Shingles are coated with granules as a protective layer against the elements. Over time, these granules may loosen and shed from the shingles.

Granule loss is mostly caused by aging and poor-quality materials. It also indicates underlying problems like roof rot or algae growth. If you notice excessive granule loss on your shingles, it’s best to have them inspected and replaced if necessary.

4. Aging Shingles

On average, shingles last 20 to 30 years. However, it may vary depending on weather conditions, the installation quality, and other factors.

If you’re counting the age of your roof in decades, it may be reaching the end of its lifespan and it’s time to start planning for a replacement. Don’t wait until significant problems arise! Timely replacement saves money by preventing further damage.

Act Today to Boost Your Roof Shingles Lifespan

Similar to what we discussed in this post “How Long Does A Roof Last?”, your roof’s lifespan depends on multiple factors, some within your control and others beyond it.

The key takeaway is this: your input and efforts will significantly affect the life expectancy of your roof. Thoughtful maintenance, timely repairs, and proactive replacement will save you money and headaches in the long run.

Also, it’s better to work with experienced professionals than to try to save money by hiring inexperienced contractors or attempting to do things yourself. Your roof is an essential investment in your home. Don’t compromise its quality by cutting corners.

If you require new roof shingles or help with installation or general roofing advice, then contact the team at Jacob’s Ladder today.

 

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