Cost of a Roof Replacement - How Much Does a New Roof Cost?

June 22, 2021

The roof is a critical element that protects your home, and repairing it when the time comes should be a priority. If you've been asking around for roof replacement, you know it can be a costly investment. A roof that has irreversible damage or is simply too old requires action as soon as possible. Living under a roof that may be severely damaged is risky for everyone in the household.

Contacting a professional roofing company is the best way to learn about the realistic costs of roof replacement. However, it's good to know all the factors on which the costs usually depend. A new roof can cost anywhere from $8000 to over $40,000, depending on several important aspects.

In this article, you'll learn what makes roof replacement costly and which types of roof damages and materials are most affordable.

Factors Affecting Roof Replacement Cost

Several important factors determine how much roof replacement or fixture will cost. They include deciding whether you need re roofing or a complete roof replacement, but also the materials used, roof size, and the roof slope.

Repairing or Replacing

The cost will depend primarily on whether you want to tear off your roof and install a new one entirely, or you just need to overlay the old tiles. Tearing off the top takes more time and costs more than reroofing. It's a much bigger project that may require more workforce, skill, and experience. Removing the entire old roof takes time, and you never know what may be lurking from underneath. Once the old tiles are torn off, roof specialists will inspect everything and fix any issues before installing a new roof.

After you've decided whether you want a reroofing or roof replacement, it's time to consider the size, slope, and materials you want to use for your new roof.

Roof Size

The size of the roof is a significant factor in determining the final price of replacements. It determines how much material the roofer will have to use, which heavily affects the final cost. Professionals use a measuring unit called a "roofing square", which is equal to 100 square feet.

A large roof requires more material, labor, and time for a complete replacement than a small one.

Roof Slope

Sloped roofs usually require more labor during the replacing process than flat roofs do. Before they install a roof with a slope, the roofing company first must establish a safe underlying system underneath it. Moreover, going with a significantly sloped roof can turn out to be very costly due to two crucial factors: it's more challenging to install and requires more work.  

Roofing Materials

When it comes to roofing materials, there are several popular types you can choose from in most companies. Which material you choose will make an impactful difference in your overall roof replacement cost. The most commonly used materials include metal, shingle, and slate, and their prices are usually very far apart.

Asphalt shingles

Shingle roofing is the most traditional and most used option in America. Moreover, according to roofing companies, over 80% of North American homes have shingle roofs. It's the most cost-effective option because shingles are much lower in cost compared to metal or slate.

There are several types of shingles, but asphalt and wood shingles are most commonly used. Asphalt shingles are by far the most popular roofing material choice.  

Metal Roof

The cost of installing a metal roof is somewhere in the middle between affordable shingles and premium slates. A metal roof is far more durable than any sort of shingles. It requires less maintenance and lasts longer.

While the cost may seem high and the entire process may be more complicated than using shingles, the durability and low maintenance requirements make metal roofs pay off themselves in the long run. Moreover, a metal roof is environmentally friendly. If you call the right company that specializes in this type of roofing, they will install it so it reduces energy costs by 40% or even more.

The cost to install a metal roof over shingles or slate is in the middle. It will cost you more than shingles but less than slate. The price is worth it because of how durable and low maintenance metal roofing is. While the initial cost is high, and these roofs are difficult to install, it does end up paying off in the long run. You’ll have a durable, low maintenance roof that you can count on for a long time. Plus, most metal roofs are environmentally friendly. Through heat-reflective coatings, metal roofing can reduce energy costs by 40% or more.

Slate Roof

A slate roof is the most expensive option out of the three most used ones, but it's also the most durable and sustainable choice. With a longevity of up to 100 years, they are not only a safe investment but also an environmentally friendly option.

Since slate is a natural material, you may rest assured it's free from harsh chemicals and toxins. While its cost may be on the upper side, a slate roof is a durable, long-lasting option – especially if you're installing a brand new roof.



I believe in making the impossible possible because there’s no fun in giving up. Travel, design, fashion and current trends in the field of industrial construction are topics that I enjoy writing about.

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