how to install metal roofing over shingles-close up of a roofer wearing blue uniform installing the last parts of a metal roof

How To Install Metal Roofing Over Shingles? (4 Step Guide)

Posted By: Chrissie Litenski

Thinking about upgrading your roof? Metal roofing has become a popular choice for homeowners looking to enhance both durability and aesthetic appeal. But did you know you can install metal roofing over your existing shingles? This method not only saves time and money but also adds an extra layer of insulation to your home. In this guide, we’ll walk you through everything you need to know about how to install metal roofing over shingles, helping you make an informed decision for your home improvement project.

What is Metal Roofing?
How to Install Metal Roofing Over Shingles in 4 Steps
Maintaining Your Metal Roof

🤔 What is Metal Roofing?

how to install metal roofing over shingles-overhead view of a roofer wearing safety gear installing metal roofing on a house

Metal roofing refers to the use of metal panels or tiles as the primary material for roofing systems. This option has gained popularity among homeowners for several reasons, primarily its exceptional longevity, durability, and energy efficiency. Metal roofs are available in a variety of materials, including steel, aluminum, and copper, each offering unique benefits. Unlike traditional roofing materials such as asphalt shingles or wood, metal roofs can withstand severe weather conditions, including heavy rain, snow, and high winds, without significant wear and tear. Additionally, they require minimal maintenance, making them a practical choice for those looking to reduce long-term roofing costs.

Benefits of Installing Metal Roofing Over Shingles

Why consider installing metal roofing over existing shingles? Here are several compelling reasons to make the switch:

Cost-effective: By installing metal roofing directly over the existing shingles, homeowners can save on labor costs associated with tearing off the old roof. This approach also minimizes waste, as fewer materials are sent to landfills, which is not only economical but also environmentally friendly.
Improved insulation: The added layer of metal roofing can serve as an extra barrier against the elements, improving insulation. This enhanced thermal performance helps maintain a comfortable indoor temperature, reducing the need for heating and cooling systems to work as hard, ultimately leading to lower energy bills.
Lightweight and sturdy: Metal roofing systems are significantly lighter than traditional roofing materials, which can reduce the structural load on your home. Despite their lightweight nature, metal roofs are incredibly durable, able to withstand harsh weather and impacts, making them a sustainable and long-lasting investment.

Is it Right for Your Home?

Before deciding to install metal roofing over shingles, it’s crucial to evaluate whether this option is suitable for your specific home. Consider the following factors:

Current roof condition: Assess the state of your existing shingles. If they are severely damaged or sagging, it may be necessary to replace them entirely before adding metal roofing.
Local building codes: Check with local authorities to understand any zoning laws and building codes that might affect your roofing project. Some areas may have regulations regarding roof materials and installation methods.
Neighborhood aesthetics: Metal roofing can significantly alter the appearance of your home. Consider how the new roof will fit into the aesthetic of your neighborhood. It may be beneficial to choose a style and color that complements surrounding homes.

Consulting with professional roofing experts is highly recommended. They can provide tailored insights based on your unique needs, helping you determine the best roofing solution for your home while ensuring compliance with regulations and enhancing your property’s overall value. With the right guidance, you can make an informed decision about whether metal roofing is the right fit for your home.

🛠️ How to Install Metal Roofing Over Shingles in 4 Steps

how to install metal roofing over shingles-close up view of a roofer wearing safety gear installing corrugated metal roofing materials

Installing metal roofing over shingles is an effective way to enhance your home’s durability and energy efficiency. This method not only extends the lifespan of your roof but also saves you time and money by eliminating the need for a complete tear-off.

1. Preparing Your Roof

Before installing metal roofing over shingles, proper preparation is crucial. Start by inspecting your existing roof for any damage. Repair or replace any damaged shingles to ensure a smooth base. Clean the roof surface, removing debris and dirt that might hinder the installation process.

2. Gathering the Necessary Materials

For a successful installation, you’ll need various materials, including metal roofing panels, underlayment, metal screws, and flashing. Make a comprehensive list of these materials and purchase them from a reputable supplier. Investing in quality materials is essential for ensuring the longevity and performance of your new roof.

3. Setting Up the Underlayment

The underlayment acts as a protective barrier between the metal roofing and shingles. Choose a high-quality underlayment designed for metal roofing applications. Roll it out carefully, ensuring full coverage, and secure it in place with roofing nails. This step is crucial for preventing moisture buildup and enhancing insulation.

4. Installing the Metal Panels

When installing metal panels, start from the roof’s bottom edge and work upwards. Align each panel carefully, ensuring a snug fit. Use metal screws to secure the panels in place, following the manufacturer’s guidelines for spacing. Overlapping the panels correctly is essential for preventing leaks and ensuring structural integrity.

🧹 Maintaining Your Metal Roof

how to install metal roofing over shingles-two roofers wearing safety gear installing metal roofing materials on a roof

Proper maintenance of your metal roof after installation is essential to ensure its long-term performance and aesthetic appeal. Here are some key maintenance tips:

Routine Inspections: Schedule regular inspections at least twice a year, preferably during spring and fall. Check for loose screws, damaged panels, and signs of corrosion. Addressing minor issues early can prevent more significant problems in the future.
Clean Debris: Keep your roof free of debris such as leaves, branches, and dirt. Accumulated debris can trap moisture against the surface, leading to corrosion and mold growth. Use a soft-bristled broom or a leaf blower to clean the roof safely.
Gutter Maintenance: Ensure that gutters and downspouts are clear of leaves and other obstructions. Proper drainage prevents water backup, which can cause damage to both the roof and the home’s foundation.
Address Panel Issues: If you find any bent or damaged panels during inspections, repair or replace them promptly. Damaged panels can compromise the roof’s ability to withstand weather elements and may lead to leaks.
Prevent Corrosion: Check for and address any scratches or abrasions on the panels. Apply touch-up paint or corrosion-resistant sealant to exposed areas to prevent rust.
Professional Checks: Consider having a professional roofer examine your roof periodically, especially after severe weather events. They can identify and rectify issues that might not be visible to the untrained eye.

By integrating these maintenance practices into your routine, you can maximize the lifespan of your metal roof and protect your home from the elements effectively.

🙌 Transform Your Home with Metal Roofing

Congratulations! You’ve successfully installed metal roofing over shingles, achieving a stylish and durable upgrade for your home. This method not only enhances curb appeal but also boosts energy efficiency and longevity. If you’re considering a roofing project, our team at Distinctive is here to help. With years of experience and a commitment to quality, we are the trusted partners for all your roofing needs. Contact us today to learn more about our services and how we can assist you in transforming your home with confidence.