As a professional roofer, I’ve seen many roofs in my career, all at various points in their lifespan. My job isn’t just to replace or repair roofs but to assess them and let the homeowner know how long they have left on their roof. A couple of different factors are involved in making these assessments, including analyzing the quality of material and installation.
In this article, I’ll discuss the lifespans of various types of roofs and their advantages and disadvantages as roofing materials. I’ll also offer some professional insight into what affects the service life of a roof and ways you can extend your roof’s lifespan.
How Long of a Lifespan Does Your Roof Have?
Because roofs are one of the biggest major recurring expenses for a home, knowing how long a roof lasts is important for homeowners’ long-term financial planning.
Provided it was installed correctly, the lifespan of a roof is almost entirely determined by the roof’s material. Though damage caused by severe weather events shortens the health and longevity of a roof, under normal conditions, the lifespan of roofing materials is well-established. The timeline for roof replacement is guided almost entirely by manufacturer warranties.
A typical asphalt shingle roof should last between 20 and 25 years. Clay or concrete tile roofs can last for 50 years, and slate roofs should hold up for 100 years or more.
We’ll get more in-depth on the lifespans of different roofing materials below.
What Are Factors That Affect Your Roof’s Lifespan?
The quality of the roofing material and installation are the biggest factors in how long a roof will last. When high-quality products are installed correctly, they’ll last as long as the manufacturer’s projection and beyond. In most cases, you’ll have a warranty that lasts as long as the roof is expected to hold up.
However, a roof’s lifespan is subject to factors that are often within the control of a homeowner but sometimes not. We can’t prevent severe weather, but we can take basic steps to maintain and safeguard our roofs.
Taking good care of trees near the house, removing debris and organic buildup like moss and lichen, and doing regular roof inspections are some types of maintenance homeowners should be doing to get the longest lifespan possible out of roofing materials.
Types of Roofing Material and Their Lifespan
There are numerous types of roofing materials, and each has a different life expectancy and various positive and negative qualities. That means there’s no overall best roofing material, but there is a best for each particular homeowner. In this section, I'll give an overview of each, including the projected service life, strengths, and weaknesses, to give you a better idea of which material might be best suited for your home, climate, and roofing situation.
Asphalt Shingles (20–25 years)
Metal Roofs (40–70 years)
Clay Tile Roofs (50 years)
Concrete Tile Roofs (50 years)
Despite sounding like a new-fangled idea, concrete tiles actually predate the invention of asphalt shingles. Concrete is fantastic in that it can be formed and pressed out into any size and shape that a person might need.
As a roofing material, it performs as well as clay tile in most regards but does have some drawbacks. The main disadvantage of this type of roof material is fading and discoloration. It doesn’t always make the roof look bad, but some homeowners may not like it.
Slate Roofs (100 years)
Wood Shake Roofs (40–50 Years)
Solar Roofs (20–25 Years)
Solar is the only roofing material that generates money. This type of roof takes solar energy and turns it into electricity, which the homeowner can then use to offset their energy bill or sell back to the utility company. It's especially attractive for homeowners trying to be more environmentally friendly, as solar energy capture helps offset carbon and greenhouse gas emissions created by traditional electricity generation.
While solar roofs have a steeper cost upfront, much of that is balanced out by government rebates, incentives, and the savings you gain on your energy bill throughout the roof's lifetime. Solar is a great, energy-efficient addition to your home, and you can learn more about it below.
How To Lengthen the Lifespan of Your Roof
Here’s how to get the most out of your roof and ensure it lasts as long as possible.
Proper Installation
Get the longest life out of your roof by ensuring it's properly installed. Poor and incorrect installation of roofing material degrades the material's longevity by subjecting it to stresses it wasn't designed to handle. This is where a competent professional can save you thousands in the long run by leveraging their expertise to ensure you get the maximum out of your investment.
Regular Maintenence
Proper maintenance post-installation and beyond is the key to keeping your roof clean and functioning. Here’s what you should be doing to maintain the health and longevity of your roof.
Frequently Inspect Your Roof
That doesn't mean you need to climb a ladder and walk your roof. I wouldn't suggest this for safety reasons and because foot traffic can damage roofing material. Instead, do regular visual inspections of your roof from the ground. That can help you identify problems before they turn into major headaches. It's especially important after strong storms, which can damage healthy roofs.
Clean Debris and Organic Buildup
An extendable pole is handy to poke or drag debris (things like small sticks and leaf clumps) off your roof. Proper maintenance of trees near the house is important, too. You can handle organic buildup with various chemical products that attach to a garden hose and allow you to treat your roof from the ground.
Keep Gutters Clean
This is especially important in fall in regions with snowy winters. Leaf-clogged, overflowing gutters increase the likelihood of ice dams developing, which causes degradation of roofing material and poses a general risk to the roofing system. To my initial point on proper installation of the roof, ice dam prevention is helped by the presence of an ice and water shield, which should be standard with any professional installation.
Repair Damage Promptly
Even a small roof leak left unaddressed can cause thousands of dollars in roof repairs. Leaks not only risk damaging the interior, they risk damaging more of the roofing material, which means repairs take more time and material and cost more money. This is why roofing contractors who install and repair roofs correctly are a huge asset to homeowners.
If you need a roofing professional, whether for a repair, replacement, or inspection, you can contact one of my recommended roofing professionals to begin the process today:
So, How Long Will Your Roof Last You?
Your roof's service life mostly depends on its material. Provided that it was installed correctly and remains free of damage, you should expect to get the manufacturer's projected life span out of it. For most homeowners with an asphalt shingle roof, this means 20 to 25 years.
You can help ensure you get that maximum lifespan by engaging in basic roof maintenance and timely repairs to keep your roof in good health. Doing so will ensure that you and your family stay dry and protected for years to come.