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can you install a skylight on a metal roof

Can You Install A Skylight In A Metal Roof?

Do you want to install a skylight on your metal roof and don’t know where to begin? Metal roofs and skylights are transforming homes and businesses, merging durability with modern aesthetics. As metal roofs gain popularity for their long-lasting nature, homeowners and business owners alike are exploring the possibility of enhancing them with skylights.

The integration of skylights not only adds an element of architectural beauty but also brings the benefits of natural light and energy efficiency. This article delves into the feasibility of installing skylights on a metal roof, providing you with essential insights and guidance for your next big roofing project. Whether you’re renovating an existing structure or embarking on a new build, understanding the compatibility of skylights with metal roofing is crucial for making informed decisions.

Benefits of Skylights in Metal Roofs

Skylights are more than just windows for the roof; they are a transformative feature for any building. Installing skylights in metal roofs offers numerous advantages. Firstly, they bring in an abundance of natural light, reducing the need for artificial lighting and thereby decreasing energy costs. Additionally, skylights aid in ventilation, contributing to a healthier and more comfortable indoor environment.

Aesthetically, skylights add a modern, sleek look to metal buildings, enhancing curb appeal and potentially increasing property value. Moreover, with advanced technology, skylights on metal roofs are designed to reduce energy loss, making them a practical and eco-friendly addition to any structure. By thoughtfully integrating skylights with metal roofing systems, homeowners and businesses can enjoy these multifaceted benefits.

Which Skylights are Best for a Metal Roof?

When considering skylights for metal roofs, the type of skylight matters greatly. Both deck-mounted and curb-mounted skylights can be installed, but each has its specific advantages. Deck-mounted skylights, sitting flush with the roof, offer a sleek, integrated look. They are ideal for metal roofs with less pronounced seams.

On the other hand, curb-mounted skylights, raised above the roof surface, are more versatile and suitable for various metal roof types, including those with higher profiles or continuous corrugation. It’s important to match the skylight type with your specific metal roof style to ensure a seamless and leak-free installation. This choice will also impact the installation method and the overall aesthetics of the roof.

How to Install A Skylight In A Metal Roof

Installing a skylight in a metal roof requires precision and expertise. Here’s a simplified overview of the process:

  1. Choose the Right Location: Identify the ideal spot for the skylight, considering factors like room layout and sun exposure.
  2. Prepare the Roof: Cut an opening in the metal roof panel, ensuring it aligns with the chosen skylight size.
  3. Install the Skylight: Place the skylight in the opening, securing it firmly to the roof structure.
  4. Ensure Proper Flashing: Apply appropriate flashing around the skylight to prevent leaks. This step is crucial for maintaining the integrity of both the skylight and the metal roof.
  5. Seal and Finish: Seal all joints and edges to ensure the installation is watertight and complete the finishing touches.

Professional installation is key to a successful skylight addition. It’s essential to work with a contractor who has experience with both skylights and metal roofing systems to ensure that the installation is done right the first time.

Metal Roof Skylight Flashing

How to Flash a Skylight On a Metal Roof

Flashing is a critical component in skylight installation, especially on metal roofs. It acts as a weatherproofing barrier, preventing leaks around the skylight. For metal roofs, there are specific flashing techniques:

  1. For Exposed Fastener Metal Roofs: Use a flashing system compatible with the flat area between seams. This ensures a tight seal around the skylight.
  2. For Concealed Fastener Metal Roofs: Select a flashing kit designed for hidden fastener systems, accommodating the unique profile of these roofs.
  3. For Continuous Corrugated Metal Roofs: Opt for a high-profile flashing system that can adapt to the continuous rolling profile of the roof.

Using the right type of flashing for the specific metal roof type is essential to prevent leaks and ensure long-term durability of the skylight installation.

Key Considerations When Adding Skylights to Metal Roofs

When planning to add skylights to metal roofs, several key factors must be considered:

  1. Installation Timing: Ideally, install skylights concurrently with the metal roof. This approach simplifies integration and minimizes potential for leaks. Install skylights at the same time the roof has been installed to avoid these issues.
  2. Noise Consideration: Skylights can amplify noise, like rain on metal roofs. Choosing the right materials can mitigate this.
  3. Energy Efficiency: High-quality thermal glass in skylights can prevent energy loss, crucial in both summer and winter.
  4. Structural Integrity: Skylights create potential weak spots. Ensure they are placed where they won’t compromise the roof’s strength.
  5. Professional Installation: Only experienced contractors should install skylights on metal roofs to guarantee proper installation and avoid issues like water leaks.

Each of these factors plays a vital role in the successful addition of skylights to a metal roof, ensuring functionality, aesthetics, and longevity.

Skylights for Metal Roof

Choosing the Right Contractor to Properly Install Your Skylight

Selecting the right contractor is crucial for skylight installation on metal roofs. Look for a contractor with:

  1. Experience in Metal Roofing and Skylights: Ensure they have a proven track record with both.
  2. Certifications and Licenses: Verify their professional credentials.
  3. References or Portfolio: Ask for examples of previous installations.
  4. Warranty and Insurance: Check if they offer warranties and are insured against potential damages.
  5. Consultation and Transparency: A good contractor will offer a thorough consultation and be transparent about costs and processes.

By choosing a skilled and reliable contractor, you ensure your skylight installation is handled professionally, reducing risks of leaks or structural issues.

Common Misconceptions and FAQs About Skylights on Metal Roofs

Many homeowners have misconceptions about installing skylights on metal roofs. Here are some common ones, debunked:

  • Myth: Skylights Always Leak on Metal Roofs. Fact: With proper installation and flashing, skylights can be leak-free. Velux Skylights come with a 10 Year No-Leak Warranty.
  • Myth: Skylights Reduce a Roof’s Durability. Fact: If installed correctly, skylights do not compromise a roof’s structural integrity.
  • Myth: Skylights Are Only for Flat Roofs. Fact: Skylights can be installed on various roof types, including metal roofs with a pitch.
  • FAQ: Can Skylights Be Added to Existing Metal Roofs? Yes, but it’s more challenging than installing them during roof construction.


Incorporating skylights into metal roofs offers a blend of aesthetic appeal, natural lighting, and energy efficiency. While the process requires careful planning and professional execution, the benefits are substantial. From enhancing curb appeal to improving indoor air quality and reducing energy costs, skylights can significantly upgrade a metal roof. By understanding the types of skylights suitable for metal roofs, the importance of proper installation and flashing, and the need for experienced contractors, homeowners can confidently add this feature to their metal roofs. Skylights in metal roofs are not just feasible but a wise investment for those looking to brighten and enrich their living or working spaces.

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