Can I put a metal roof over shingles without removing them?

Yes, in many cases, you can install metal roofing over a single layer of shingles if your roof deck is in good condition.

Will installing a metal roof over shingles make my roof too heavy?

Generally, no. Metal roofing is lightweight compared to other roofing materials, but a professional should always check your roof structure.

Does a metal roof over shingles last as long as one installed directly on decking?

Yes—if installed correctly, your metal roof will perform and last just as long, often 40–70 years.

Will my warranty still apply if I install over shingles?

Absolutely. Mountaintop Metal Roofing offers a lifetime, transferable warranty that applies regardless of whether you install over shingles or start fresh.

Is installing metal roofing over shingles worth the investment?

Yes. It reduces upfront costs, avoids tear-off mess, and gives you the long-term benefits of durability, efficiency, and lasting value.

Category: Asphalt Shingles

Home roof being replaced with new composite roofing materials to illustrate How Long Do Composite Roofs Last and Image of asphalt roofing shingles on a home to illustrate Are Asphalt Shingles Bad for the Environment and Can You Install Metal Roofing Over Shingles

Can You Install Metal Roofing Over Shingles?

Published on August 15, 2025 by Mountaintop Metal Roofing in Aluminum Roof, Asphalt Shingles, Metal Roofing Homeowner Resources, Residential

When homeowners consider upgrading their roof, one of the most common questions is: “Can you install metal roofing over shingles?” The short answer is yes—metal roofing can often be installed directly over an existing shingle roof. But as with most...

Are Metal Roofs Hotter Than Shingles

Published on July 30, 2025 by Mountaintop Metal Roofing in Asphalt Shingles, Residential

The Truth About Heat and Roofing Materials If you’ve ever touched a metal object sitting in the summer sun, you know how quickly it heats up. That’s why many homeowners assume that a metal roof must make their house hotter than asphalt shingles. So...

Do Metal Roofs Leak More Than Shingles?

Published on July 9, 2025 by Mountaintop Metal Roofing in Aluminum Roof, Asphalt Shingles, Metal Roofing Homeowner Resources, News, Residential

When considering a new roof, one of the biggest concerns homeowners have is whether it will leak. It’s a fair question—your roof is your home’s first line of defense against the elements. So if you’re comparing metal roof installation to asphalt...

asphalt shingle lined up on orange chalkline with roofing nails and worn hammer to illustrate Environmental Impact Of Asphalt Shingle Recycling and composite roof warranty.

A Composition Roof Warranty: What You Need to Know

Published on March 17, 2025 by Mountaintop Metal Roofing in Asphalt Shingles, Metal Roofing Homeowner Resources, Residential

When investing in a new roof, understanding the warranty is just as important as choosing the right materials. Many homeowners assume their composition (asphalt shingle) roof is fully covered for decades, only to find out that their standard roofing warranty...

Image of new metal roof Shingle on a white home with expansive front porch

Benefits of Metal Roof Shingles

Published on March 12, 2025 by Mountaintop Metal Roofing in Asphalt Shingles, Residential

When it’s time to replace your roof, you have a lot of choices to consider. While traditional asphalt shingles are common, metal roof shingles have become a popular alternative due to their durability, efficiency, and long lifespan. Homeowners looking...

Are Asphalt Shingles Bad for the Environment

Published on March 7, 2025 by Mountaintop Metal Roofing in Asphalt Shingles, Metal Roofing Homeowner Resources

Asphalt shingles are one of the most common roofing materials in the United States. Affordable, widely available, and relatively easy to install, they dominate the residential roofing market. But are asphalt shingles bad for the environment? While they...

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