If you’re considering a roofing upgrade but want to avoid the hassle of removing your old shingles, you might be asking, “Can you put metal roofing over shingles?” The idea of doing so is appealing to many homeowners due to the cost savings and convenience.
While installing a metal roof over shingles can be less time and cost-consuming, it’s not without its considerations. It’s important to explore both the advantages and the challenges before moving forward with this roofing option. So, let’s take a look at all you should know about installing metal roofing over your shingles.
Can Metal Roof Be Installed Over Shingles?
Yes, in many cases, metal roofing can be installed over existing shingles, and it is actually a common practice. Homeowners often choose to install a metal roof over their shingles for several reasons. One of the primary advantages is the cost savings. Opting to install metal over shingles, allows one to avoid the additional cost and labor associated with tearing off the old materials.
However, it’s important to note that not all roofs are suitable for this type of installation. Before proceeding, a professional roofer should assess the current condition of your shingles and the structure of your roof to ensure that it is capable of supporting the added weight of the metal roofing.
Why Install Metal Roof Over Shingles?
There are several reasons why homeowners consider installing metal roofs over their existing shingles. The first and most obvious reason is the cost savings. Tearing off old shingles can be expensive, particularly if you have a large roof. By leaving the shingles in place, you can cut down on the disposal costs and the labor involved.
Another benefit is the reduced installation time. Installing a metal roof over shingles is faster than starting from scratch, and it can be done with less disruption to your daily life. Additionally, the metal roof will offer increased durability and longevity, providing better protection against weather elements like rain, snow, and high winds.
Considerations Before Installing Metal Roofing Over Shingles
Before you proceed to install a metal roof over shingles, there are a few key factors to consider. While it is possible to do so, not every situation is ideal for this installation method.
- Roof Condition
If your shingles are already damaged or deteriorating, it’s best to get them replaced before installing metal roofing. Metal roofs require a solid foundation, and damaged shingles can undermine the stability of the installation.
- Ventilation
Proper ventilation is crucial for the longevity of any roof, including metal roofing. When installing metal over shingles, it’s important to ensure that there is adequate airflow to prevent moisture buildup, which can lead to mold, mildew, or rot.
- Weight of the Roof
While metal roofs are lighter than traditional roofing materials like tile or concrete, they still add some weight. The existing structure must be able to support the additional weight of the metal roof. A professional roofer can assess whether your roof can handle the load.
- Building Codes and Regulations
Depending on your location, there may be specific building codes or regulations that dictate whether you can install metal roofing over shingles. Always check with local authorities or consult with a roofing contractor to ensure compliance with the regulations.
The Installation Process for Metal Roofing Over Shingles
Installing metal roofing over shingles is a multi-step process that requires proper planning and preparation. Here’s a general overview of what you can expect during the installation.
- Roof Inspection: Before installation begins, a professional roofer will inspect the existing shingles to make sure they are in good condition. If any shingles are damaged, they should be repaired or replaced before proceeding.
- Installing the Underlayment: Once the shingles are inspected, the next step is to install a layer of underlayment. This material works as a protective barrier between the shingles and the metal roof, helping to prevent moisture infiltration and adding another layer of protection to the roof.
- Securing your Metal Panels: After the underlayment is in place, the metal roofing panels will be secured to the roof. The panels are typically fastened with screws or clips to ensure a tight fit and to prevent the wind from lifting them.
- Sealing the Roof: Finally, the seams between each metal panel are sealed to prevent water leakage. Special sealants are applied to the seams, creating a watertight barrier that helps protect your home from the elements.
Advantages of Installing Metal Roof Over the Shingles
The idea of installing metal roofing over shingles offers several benefits, especially if you’re looking for a more efficient way to upgrade your roof. Here are some of the key advantages.
- Time and Cost Savings
As mentioned earlier, the most significant benefit of installing metal roofing over shingles is the potential to save time and money. You won’t have to pay for the labor and disposal costs associated with removing old shingles.
- Enhanced Durability
Metal roofs are known for their durability and longevity. Installing metal roofing over shingles can extend the life of your roof and provide better protection against weather elements like rain, snow, and high winds.
- Improved Energy Efficiency
Metal roofing reflects heat, helping to keep your home cooler during the summer months. This can reduce your energy costs and improve your home’s overall energy efficiency.
- Minimal Disruption
Since metal roofing can be installed directly over your existing shingles, there’s minimal disruption to your daily life. The process is quicker and less intrusive than a complete roof replacement.
Potential Disadvantages of Installing Metal Roof Over Shingles
While there are many benefits to installing metal roofing over shingles, there are also a few drawbacks to keep in mind.
- Weight Load
If your roof is already heavily burdened with multiple layers of shingles, adding metal roofing could add too much weight to the structure. In this case, it may be necessary to remove some of the old shingles or reinforce the structure before installation.
- Roof Height and Aesthetics
Installing metal roofing over shingles can raise the height of your roof, which may affect the appearance of your home. Additionally, certain roof designs may not be as aesthetically pleasing when multiple layers of roofing are involved.
- Long-Term Maintenance
While metal roofs are low maintenance, the underlying shingles may deteriorate over time. If this happens, it could affect the overall performance of the metal roof, potentially leading to the need for future repairs.
Can You Put Metal Roofing Over Shingles Without Issues?
In most cases, installing metal roofing over shingles can be done without issues, but it’s important to weigh the pros and cons. If your roof is in good condition and the structure can handle the added weight, installing metal roofing over shingles can be a cost-effective and efficient solution.
Bunce Buildings Provides Metal Roofing Options for Your Needs
At Bunce Buildings, we offer a wide variety of metal roofing options to meet your needs, including installing metal roofing over your shingles. With over 35 years in the industry, we are trusted experts in metal roofing solutions that last for years to come. Our customizable metal roofing options are designed to be durable, energy-efficient, and aesthetically pleasing, ensuring that your home stays protected in all types of weather. Contact us today for a free quote and expert advice on the best roofing solution for your home.
