Written by Paul Mc
Roof replacement can be expensive. The cost depends on the materials used, the size of your roof, and labor costs.
But you don’t have to bear this cost to replace your roof every now and then.
The exact lifespan of a roof depends on the materials used to build it and the local climate. A regular inspection of the roof every year or two or after weather events such as hail, storms, and snow helps reduce the frequency of replacement.
Plus, some signs clearly call for a roof replacement. Identifying them is crucial to save yourself from further expenses. Here is more to know about how often to replace the roof and stay safe.
On average, a roof lasts for 30 years.
The actual timing of a roof replacement depends on many factors including:
These are quite popular among homeowners for their roofs. That’s because asphalt shingles are pretty cost-effective. They are also easy to install.
The shingles have fiberglass with asphalt topped with ceramic-coated granules.
So, how often should you replace asphalt roof shingles?
The 3-Tab asphalt shingles are designed to be flat and traditional. They usually last 15 to 20 years. Since they are light in weight, they often get lifted by the wind.
Architectural asphalt shingles are way thicker and textured than basic asphalt shingles. This makes them last for 25 to 30 years. They help your roof live a long life.
If you don’t want to replace your roof even after 30 to 50 years, choose metal to build it. You can build your roof using standing seams that have concealed fasteners. They are highly leak-resistant and can last for 50 to 70 years.
Slate roof tiles are famously known as a 100-year roof.
Slate ranks among the longest-lasting roofing materials. Do you know that quality natural slate installations can exceed 100 years? They can outlast conventional roofing materials by decades.
While being appealing, natural slate performs exceptionally well in extreme weather. It has a dense natural stone composition that can easily resist cracking, splitting, and wear from high winds and hail that damage other roofing materials. Some options are also fire-resistant.
Clay and concrete tiles are also quite common in the Southwest and Florida. They can easily last for 50 to 100 years. However, they often lose their strength with physical impact or the failure of the underlayment beneath them.
Cedar or wood shakes can last for 25 to 50 years. However, if not treated for rot and left in contact with moss or debris, the wood shakes live way less than average. In that case, you may have to replace your roof sooner than 30 years.
Source: Angi
| Roof Material | Lifespan | Cost per square foot |
| Asphalt Shingles | 15 to 30 years | $0.70–$4 |
| Metal | 30 to 50 years Proper maintenance can keep the roof perfect for 70 years | $4–$30 |
| Clay/concrete tiles | 50 to 100 years | $2–$10 |
| Slate | 60 to 150 years | $10–$30 |
| Wood shakes or shingles | 25 to 50 years | $6–$15 |
The frequency of roof replacement also depends on how often you notice these warning signs.
A higher-pitched roof with a proper drainage system will most likely last longer than a flat roof. That’s because the latter one has poor drainage.
Poor drainage can result in:
Ensure that you perform yearly inspections and cleanings for your roof. This helps keep your roof clean, dry, and free of fungus.
Certain external factors like the local climate also affect the replacement timeliness of the roof. An area that faces extreme windstorms, hail, and rain may suffer from deteriorating roofs faster than regions that don’t.
In fact, if your roof gets seven to ten hail impact marks within a 10-square-foot area, a replacement may be necessary.
Proper ventilation is also important.
It depends on things like:
Suppose the damage is huge. In that case, you should repair your whole roof.
For instance, replace your roof if the damage is more than 30%. If a leak has spread throughout your home, it’s time to buy a new roof.
Your roof may have aged if your asphalt shingle roof develops a leak after 20 years. In that case, you will eventually need a roof replacement.
Your long-term plans with your home also affect the decision. Suppose you want to change the look of old wood shingles. In that case, getting a new roof will be a good option.
Want your roof to support your home for an extended period? Try these tips!
If your roof has crossed its lifespan, it is about time that you replace it. This is important to keep safe from anything worse.
But should you replace the entire roof or just a part? To make that decision, get in touch with professional roofers at Expert on Deck. Use our platform to find a nearby expert and book an appointment today!
Many insurers now refuse to renew policies or drastically increase premiums once a shingle roof hits 15 to 20 years, regardless of its actual physical condition.
Yes, because the labor cost to remove and reinstall solar arrays for a future roof replacement usually far exceeds the value of those remaining five years of shingle life.
While cheaper upfront, “nail-overs” trap heat that cooks the new shingles from both sides, often voiding the manufacturer’s warranty and hiding rotten wood underneath.
Contractors often use “storm chaser” tactics to find minor granular loss that qualifies for a full claim, though this can lead to high-risk labeling for your property later.
You can, but the color will never match due to dye-lot differences and weathering, and you will pay a much higher price per square foot for a partial job.
