How Long Do Roof Shingles Last? (& When to Replace)

8 minutes Read

Level Edge Construction

Let’s dive into a topic that might not be as thrilling as your latest Netflix binge-watch, but is essential for every homeowner: Roof shingles! These seemingly simple components of your home’s exterior play a crucial role in protecting you from the elements. So, let’s answer the age-old question: “How long do roof shingles last, and when is it time to replace them?”

In this blog, we’ll give you the inside scoop on:

• Types of roof shingles
• Factors that affect their lifespan
• How to tell when it’s time to replace your shingles

Keep scrolling to become an expert in the life of roof shingles!

The Basics: What Are Roof Shingles? 🤷

Before we get into the nitty-gritty of shingle lifespans, let’s make sure we’re on the same page about what roof shingles are. Roof shingles are those overlapping rectangular or square pieces that cover the roof of your house. They come in various materials like asphalt, wood, metal, and even slate, each with its unique characteristics.

Now, let’s break down the lifespan of 4 different shingle materials. 

• Asphalt shingles: Asphalt shingles are among the most common roofing materials in the United States. They are budget-friendly and come in various styles and colors. The lifespan of asphalt shingles typically ranges from 20 to 30 years, depending on factors like climate and maintenance.
• Wood shingles: Wood shingles, often made from cedar or redwood, lend a rustic charm to your home. They can last anywhere from 30 to 50 years when properly maintained. However, they may require more upkeep to avoid rot and decay. 
• Metal shingles: Wondering, “How long does a roof made from metal last?” Metal shingles are known for their durability and resistance to harsh weather conditions. They can last 40 to 70 years or even longer, depending on the type of metal used. They require minimal maintenance and are eco-friendly.
• Slate shingles: Slate shingles are the cream of the crop when it comes to longevity. They can last a whopping 100 years or more! However, they are expensive and heavy, so make sure your roof structure can support them.

5 Factors That Can Affect Shingle Lifespan ⏳

Now that we have a rough estimate of how long different shingle types last, it’s crucial to understand that several factors can influence their lifespan. 

Let’s dig into 5 common factors.

1. Climate 

The climate in your area plays a significant role in determining how long your roof shingles will last. Areas with harsh weather conditions, like heavy rainfall, hail, or extreme heat, can cause shingles to deteriorate more quickly.

2. Installation Quality 

The quality of the initial installation matters. In a nutshell, a well-done initial installation, including proper ventilation and underlayment, is like giving your roof a strong foundation. It ensures your roof can withstand the elements and stand the test of time. So, when you’re getting a new roof, don’t skimp on the installation – it’s an investment that pays off in the long run.

3. Roof Pitch 

Let’s break down the science of your roof’s slope – it’s kind of like the angle of a slide at the playground. The way your roof is tilted or pitched makes a big difference in how it deals with rainwater and stuff like leaves and branches. Steeper roofs shed water like a champ, and that’s a good thing because it means less chance of water sneaking under your shingles.

With a flatter roof, water tends to hang around longer, and debris might decide to chill on your roof for a while. That’s not ideal because the longer stuff sits on your roof, the higher the chance it can cause damage.

4. Maintenance

Regular maintenance, such as cleaning gutters, removing debris, and inspecting for damage, can help extend the life of your shingles. Neglecting maintenance can lead to premature deterioration.

5. Material Quality

The quality of the shingle material itself matters. Higher-quality materials often have longer lifespans. Investing in premium materials can be a wise long-term decision.

6 Signs That It’s Time to Replace Shingles? 🕓

Okay, now that we’ve got a handle on shingle lifespans and the factors that influence them, let’s go over when it’s time to replace your roof shingles.

1. Age

The simplest indicator is the age of your shingles. If your shingles have exceeded their expected lifespan, it’s time to consider a replacement. Don’t wait for leaks or visible damage; proactive replacement can save you from more extensive and costly repairs down the road.

2. Visible Damage

Inspect your roof regularly for signs of damage. Cracked, curled, or missing shingles are red flags. Damaged shingles can’t effectively protect your home from the elements.

Cracked shingles can let moisture seep in, and that’s never a good thing. It’s like having a leaky umbrella in a rainstorm; it just won’t do the job. Curled shingles, on the other hand, may not have cracks but because of their curved nature, they can’t properly protect your home. And missing shingles may as well be an open invitation for rain, wind, and whatever else wants to sneak into your home.

3. Leaks and Water Damage

Water stains on your ceiling, interior walls, or attic are telltale signs that your roof is compromised. Don’t ignore these, as water damage can lead to mold and structural issues.

4. Granule Loss

Check your gutters for an excessive amount of granules from your shingles.Those granules act as a shield, and when they start to go, it means your shingles are more exposed and vulnerable. Without those granules, your shingles can wear out faster. They might become brittle, curl up, or even crack. And that’s not a good look for your roof.

5. Moss and Algae Growth

Let’s talk about a little green invasion on your roof – moss and algae. Now, I’m all for a touch of greenery, but when it starts taking over your shingles, it’s time to take action. Get rid of that moss or algae invasion before they turn your roof into their green paradise. If you don’t remove the growth quickly, it could lead to some pretty serious moisture retention–and that’s not great news for your shingles.

6. High Energy Bills

If you’ve noticed a significant increase in your heating or cooling bills, your roof may be the culprit. Damaged or deteriorating shingles can lead to poor insulation, making your home less energy-efficient.

5 Elements That Affect the Cost of Replacement 💰

Okay, so you’ve determined it’s time to replace your roof shingles. But how much is it going to cost you? Well, that depends on 5 primary factors:

1. Roof Size 

If you’ve got a big, expansive roof, it’s going to take more materials to cover the area. That means more shingles, more nails, and more of everything. And you guessed it – more materials mean a bigger dent in your wallet. But it’s not just about the materials. A larger roof also requires more labor to get the job done.

2. Shingle Material 

Different shingle materials have varying price points. Asphalt shingles are generally the most affordable, while slate shingles are the most expensive.

3. Labor Costs 

Labor costs can vary depending on your location, the complexity of the job, and the availability of skilled roofing contractors. So, when you’re planning your roofing project, it’s a good idea to get a few quotes from different contractors. While labor costs can vary, investing in a skilled and experienced roofer is often worth it.

4. Additional Work 

If your roof requires structural repairs or if you want to upgrade your insulation during the replacement, these factors will add to the overall cost.

5. Permits and Fees

Local governments often want to make sure you’re playing by the rules when it comes to home improvements. So, they might require you to get a permit for that new roof. It’s like your way of saying, “Hey, I’m making a legit upgrade here.” It helps ensure that the work is done safely and according to building codes. 

In With The Old And Out With The New

So, there you have it, folks! Your roof’s shingles aren’t eternal; their lifespan depends on factors like the shingle material, your local climate, and how diligent you are with maintenance. Recognizing when it’s time to swap out those shingles is not just essential for preserving your home’s structural integrity but also for safeguarding your financial investment.

If you notice signs of damage, leaks, or excessive granule loss, it’s time to consider a replacement. Don’t wait until the last minute to address roofing issues. A well-maintained roof not only protects your home but also adds value and curb appeal.

Now, go forth and inspect your roof! At Level Edge, we want to help you keep your shingles in tip-top shape. So for any questions or concerns you have about your roof shingles, or for a free inspection, don’t hesitate to contact us by clicking here.

Written by
Level Edge Construction