Can You Install a Metal Roof Over Asphalt Shingles?

Asphalt shingles are a popular choice for roofing materials, but they can eventually wear out and need to be replaced. If you’re considering installing a metal roof, you may be wondering if you can do it over your existing asphalt shingles.

The Answer

In short, yes, you can install a metal roof over asphalt shingles. However, there are a few things you need to keep in mind before you do.

First, you need to make sure that your existing asphalt shingles are in good condition. If they are damaged or leaking, you will need to repair them before you can install a metal roof.

Second, you need to choose the right type of metal roof. There are many different types of metal roofs available, so you need to choose one that is compatible with your existing asphalt shingles.

Third, you need to hire a qualified contractor to install the metal roof. Installing a metal roof is a complex process, and it’s important to hire someone who knows what they’re doing.

Benefits of Installing a Metal Roof Over Asphalt Shingles

There are several benefits to installing a metal roof over asphalt shingles.

• Durability: Metal roofs are more durable than asphalt shingles. They can last for up to 50 years, while asphalt shingles typically last for 20-30 years. This means that you won’t have to worry about replacing your roof as often.
• Energy efficiency: Metal roofs are more energy-efficient than asphalt shingles. They can help to keep your home cooler in the summer and warmer in the winter. This can save you money on your energy bills.
• Fire resistance: Metal roofs are more fire-resistant than asphalt shingles. They can help to protect your home from a fire.

Drawbacks of Installing a Metal Roof Over Asphalt Shingles

There are a few drawbacks to installing a metal roof over asphalt shingles.

• Cost: Metal roofs are more expensive than asphalt shingles. However, the long-term savings on maintenance and energy bills can offset the initial cost.
• Installation difficulty: Installing a metal roof is more difficult than installing asphalt shingles. This is because metal roofs are heavier and require special tools and techniques.
• Noise: Metal roofs can be louder than asphalt shingles during heavy rain or hail.

Additional Information

Here are some additional things to keep in mind when installing a metal roof over asphalt shingles:

• The old asphalt shingles must be in good condition. If they are damaged or leaking, you will need to repair them before you can install the metal roof.
• A layer of underlayment must be installed between the old shingles and the new metal roof. This will help to protect your home from leaks.
• Special screws or nails must be used to attach the metal roof to the roof deck. These screws or nails are designed to withstand the weight of the metal roof.

Conclusion

If you’re considering installing a metal roof, it’s important to weigh the pros and cons carefully. If you have a good roofer who can properly install a metal roof over your existing asphalt shingles, it can be a wise investment.

Additional Information

In addition to the information provided above, here are some additional things to keep in mind when installing a metal roof over asphalt shingles:

• The type of metal roof you choose will affect the installation process. Some types of metal roofs, such as standing seam roofs, require special tools and techniques to install.
• The slope of your roof will also affect the installation process. Metal roofs are typically installed on roofs with a slope of at least 4:12.
• The local building code may have restrictions on installing a metal roof over asphalt shingles. It’s important to check with your local building department before you start the installation process.

Call to Action

If you’re interested in learning more about installing a metal roof over asphalt shingles, contact a qualified contractor for a consultation.