Metal roofing over shingles is a new alternative to asphalt shingle roofs that are gaining traction in the market. It has a number of benefits over asphalt shingles, including reduced weight and installation time, increased insulation, and longevity. It is also ideal for areas with hot climates or high wind speeds as it reduces heat transfer and deflects damage caused by strong winds. Besides reducing your home’s energy consumption, metal roofing over shingles also provides aesthetic value.
As metal roofing over shingles is a new technology, there are certain factors that you need to consider before implementing it in your home. In this blog, we cover all the aspects of metal roofing over shingles so that you can make an informed decision.
Can you put metal roofing on top of damaged shingles?
You can install metal roofing over shingles, but it is important to address any existing roof leaks before installation and replace rotten rafters or shingle sheathing to provide a weather-tight seal over the metal roofing. Most codes now allow no more than two layers of roofing before requiring a complete tear-off, which is also an indicator of durability.
Installing metal roofing over shingles provides greater durability, storm protection, and energy efficiency than asphalt shingles. Plus, it can last for up to 50 years, making it a durable and long-lasting option for roofing materials. If you are looking to upgrade your roofing materials, metal roofing is a cost-effective and durable option that offers improved aesthetics and functionality over asphalt shingles.
Why Install Metal Roofing Over Existing Shingles?
Why would you want to install metal roofing over shingles? Metal roofing is a more durable option than shingle roofing. It lasts longer, can cover existing leaks and rot from shingle roofs, and is visually appealing. However, not all metal roofing materials are the same. Certain metals have a protective coating that can deter water damage, while others are fragile and prone to leaks. Some metals are also more expensive than shingles, so it’s important to do your research and choose the best material for your needs.
When it comes to installation, metal roofing over shingle roofs involves several steps. First, you’ll need to remove existing shingles and old shingled roof decking or rafters using a metal roofing hammer or blacktop hammer. Next, apply a metal roofing primer to the roof surface. This will help protect the underlying materials and prevent corrosion. Then, you’ll apply a layer of metal roofing shingles over this primer. Finally, add a layer of underlayment over the shingle roofing system to lock in moisture and prevent leaks.
Metal Roofing Over Existing Shingles Options
If you are considering metal roofing over existing shingles, you should consider the pros and cons of each installation type.
Stone-coated shingle systems can withstand winds up to 120 miles per hour while standing seam roofing solutions can only withstand winds up to 80 miles per hour. Both types of metal roofing also provide strong water resistance and corrosion-resistant coating for years of service. However, stone-coated shingle systems tend to be more expensive than their painted counterparts.
Due to their durability, stone-coated shingles are a popular choice for beach areas and other areas that experience heavy wind and snowfall or high-temperature conditions. On the other hand, pre-formed crimped shingles offer a more affordable option with similar durability and water resistance. They are easy to maintain and require less labor investment when compared to metal roofing over asphalt shingles. The two installation options have benefits and drawbacks that should be considered carefully when making your choice.
How to Install Metal Roofing Over Shingles
When it comes to metal roofing over shingles, the benefits are obvious. It’s more durable than shingles, offers a beautiful appearance, and is cost-effective over the long term. It’s a great option for any building, including homes. However, you must check building codes in your area before installing metal roofing over shingles. Some may require full removal of the old roof, so be sure to do your research before making a decision.
A contractor may only install metal roofing over asphalt shingles if the building code allows it. Additionally, you must have experience and expertise to install metal roofing over shingles successfully.
Conclusion
Metal roofing is a great option to protect your shingles and roofing materials from the elements while adding curb appeal to your home. It’s durable, long-lasting, and can help maintain a roof’s aesthetic appearance over time. To learn more about metal roofing installation and installation options, comment below.
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