What Is A Curb Mount Skylight

(Many of the links in this article redirect to a specific reviewed product. Your purchase of these products through affiliate links helps to generate commission for Storables.com, at no extra cost. Learn more)

Introduction

A curb mount skylight is a type of skylight that is installed on an elevated curb or frame above the roofline. It is designed to bring natural light into a space, enhancing its aesthetics and creating a brighter and more inviting atmosphere. Curb mount skylights are a popular choice for both residential and commercial buildings, as they offer numerous benefits in terms of functionality and design.

Unlike other types of skylights that are installed flush with the roof, curb mount skylights are elevated on a curb or frame. This design allows for better insulation and reduces the risk of leaks and water damage. Additionally, the elevated installation provides greater flexibility in terms of positioning and orientation, allowing for optimal light penetration and better control over glare and heat gain.

Curb mount skylights come in a variety of shapes and sizes, from simple rectangular designs to more intricate dome or pyramid shapes. The choice of design depends on the architecture and aesthetic preferences of the building, as well as the specific requirements of the space.

In the following sections, we will explore the definition of a curb mount skylight, its advantages and disadvantages, factors to consider before installing one, and proper installation and maintenance techniques to ensure its longevity and optimal performance.

Definition of a Curb Mount Skylight

A curb mount skylight is a type of skylight that is installed on an elevated curb or frame above the roofline. It consists of a glazing unit, a frame, and a curb or flashing system. The glazing unit is usually made from tempered or laminated glass, which provides durability, strength, and protection against UV radiation. The frame supports the glazing unit and ensures its stability and weather resistance.

The curb or flashing system is an important component of a curb mount skylight as it helps to create a watertight and secure installation. The curb is typically made from a material like metal or PVC, which is resistant to weathering and provides a strong base for the skylight. The flashing system is used to redirect rainwater away from the skylight and prevent leaks.

Curb mount skylights are available in various shapes and sizes, including rectangular, square, circular, and custom designs. The choice of shape and size depends on the architectural style of the building, the available roof space, and the desired amount of natural light. Additionally, curb mount skylights can be fixed or operable, with options for manual or motorized controls to open and close the skylight for ventilation purposes.

It is important to note that the installation of a curb mount skylight requires professional expertise to ensure a proper fit, weatherproofing, and structural integrity. Improper installation can lead to issues such as leaks, energy inefficiency, and damage to the skylight or roof. Therefore, it is recommended to consult with a qualified skylight installer or contractor to ensure a successful and reliable installation.

Advantages of Curb Mount Skylights

Curb mount skylights offer numerous advantages that make them a popular choice for bringing natural light into buildings. These advantages include:

1. Increased Natural Light: One of the primary benefits of curb mount skylights is the significant increase in natural light they provide. The elevated installation allows for maximum light penetration, brightening up the space below and reducing the need for artificial lighting during the daytime. This not only creates a more pleasant and inviting atmosphere but also helps to reduce energy consumption and lower electricity bills.
2. Enhanced Aesthetics: Curb mount skylights add a touch of elegance and sophistication to any space. The abundance of natural light creates a visually appealing environment, making the room look more spacious and vibrant. They can also enhance the architectural design of a building, adding a unique focal point and creating a sense of openness and connection with the outdoors.
3. Improved Health and Well-being: Natural light has a positive impact on our health and well-being. Exposure to sunlight boosts vitamin D production, enhances mood, and regulates the body’s circadian rhythm, promoting better sleep quality. Studies have also shown that natural light can improve productivity, focus, and overall cognitive function.
4. Ventilation and Fresh Air: Some curb mount skylights are designed to be operable, allowing for ventilation and access to fresh air. This is particularly beneficial in areas where humidity, odors, or pollutants may accumulate, such as kitchens and bathrooms. Proper ventilation helps to improve indoor air quality and maintain a comfortable living or working environment.
5. Energy Efficiency: While curb mount skylights let in natural light, they are also designed to minimize heat gain and loss. The glazing unit of the skylight is often treated with low-emissivity coatings to reflect heat and harmful UV rays, preventing the space from becoming too hot in the summer and reducing heat loss during colder months. This can result in energy savings by reducing the reliance on artificial lighting and heating or cooling systems.
6. Privacy and Views: Curb mount skylights provide ample natural light without compromising privacy. In areas where windows might expose the interior to prying eyes, skylights can offer an alternative source of light while maintaining privacy. Additionally, curb mount skylights can be strategically positioned to offer beautiful views of the sky, stars, or surrounding landscape, providing a picturesque and calming experience.

These advantages make curb mount skylights a sought-after option for homeowners and commercial building owners who aim to create brighter, healthier, and more visually appealing spaces while maximizing energy efficiency.

Disadvantages of Curb Mount Skylights

While curb mount skylights offer numerous benefits, it is important to consider their potential drawbacks before deciding on their installation. Some of the disadvantages of curb mount skylights include:

1. Cost: Curb mount skylights can be more expensive compared to other types of skylights, mainly due to the additional materials required for the elevated curb installation. The cost also depends on factors such as the size, shape, and glazing options chosen. It is important to factor in the cost of both the skylight itself and the professional installation when budgeting for a curb mount skylight.
2. Complex Installation: Installing a curb mount skylight requires professional expertise and precise measurements to ensure proper fit and weatherproofing. The elevated curb and flashing system need to be accurately installed to prevent leaks and water damage. Improper installation can lead to issues such as moisture intrusion, heat loss or gain, and structural damage to the roof. Therefore, it is crucial to consult with experienced skylight installers to ensure a successful installation.
3. Maintenance: Curb mount skylights require regular maintenance to keep them in optimal condition. The glass needs to be cleaned periodically to remove dirt, debris, and water stains, which can affect the clarity and performance of the skylight. The flashing and seals should also be inspected for signs of wear or damage, and any necessary repairs or replacements should be promptly addressed. Neglecting maintenance can lead to leaks, reduced energy efficiency, and decreased lifespan of the skylight.
4. Heat Gain and Glare: While curb mount skylights are designed to minimize heat gain, they can still contribute to increased temperatures in the space below, especially in hot climates. Additionally, without proper shading or glazing options, skylights can cause glare, making it uncomfortable to be in the area directly beneath the skylight. This can be mitigated by using appropriate shading devices or selecting glazing options that provide sufficient UV and glare control.
5. Limited Placement: The placement of curb mount skylights is restricted to areas where there is enough roof space and structural support for the curb and flashing system. This limitation may pose challenges in buildings with limited roof access or complex roof designs. It is essential to assess the feasibility of installing a curb mount skylight based on the building’s layout and structural considerations.

Despite these disadvantages, curb mount skylights can still be a valuable addition to a building if the installation is carefully planned, professionally executed, and properly maintained.

Factors to Consider Before Installing a Curb Mount Skylight

Before installing a curb mount skylight, several factors should be carefully considered to ensure a successful installation and maximize the benefits it provides. These factors include:

1. Roof Structure and Condition: The condition and structure of the roof is crucial before installing a curb mount skylight. The roof should have sufficient load-bearing capacity to support the skylight and the additional weight of the curb system. It is advisable to have a professional inspection before proceeding with the installation.
2. Location and Orientation: The location and orientation of the skylight play a significant role in its performance. Consider the position of the skylight in relation to the sun’s path throughout the day, as well as potential shading from nearby trees or structures. Ideally, it should be placed in an area that allows for maximum natural light and minimizes heat gain or glare.
3. Climate and Weather: The climate and weather conditions in your area should be taken into account when selecting a curb mount skylight. Regions with extreme temperatures or frequent heavy rains may require skylights with additional insulation and superior weatherproofing to prevent issues such as condensation, leaks, or heat loss. Consult with professionals who have experience with skylights in your specific climate.
4. Energy Efficiency: Energy efficiency should be considered when choosing a curb mount skylight. Look for skylights with low-emissivity (low-E) coatings, double or triple glazing, and insulated frames to minimize heat transfer and maximize energy savings. These features help to maintain comfortable indoor temperatures, reduce heating and cooling costs, and limit the impact on the environment.
5. Building Codes and Permits: Ensure that you are familiar with local building codes and regulations regarding skylight installations. Obtain the necessary permits before proceeding with the installation to avoid potential legal issues and ensure compliance with safety standards. Engage with professionals who are knowledgeable about the local requirements and will ensure a code-compliant installation.
6. Budget and Cost Considerations: Assess your budget and determine the cost range for the skylight, installation, and any additional features or accessories you may want. Consider factors such as the size, shape, and glazing options of the skylight, as well as any customization requirements. It is recommended to get quotes from multiple skylight installers to compare costs and ensure a reasonably priced installation.
7. Maintenance and Accessibility: Consider the maintenance requirements and accessibility of the skylight. Regular cleaning of the glass and inspection of the flashing and seals are necessary to ensure the skylight’s performance and prevent issues like leaks or reduced energy efficiency. Assess the ease of access to the skylight for maintenance purposes, especially for areas that are difficult to reach.

By carefully considering these factors and seeking professional guidance, you can make informed decisions about the installation of a curb mount skylight that aligns with your specific needs, budget, and the requirements of your building.

When installing a curb mount skylight, make sure the curb is properly flashed and sealed to prevent any potential leaks. Proper installation is key to ensuring the skylight’s longevity and performance.

Proper Installation and Maintenance of Curb Mount Skylights

Proper installation and maintenance are crucial for ensuring the longevity, performance, and safety of curb mount skylights. Following the recommended practices will help prevent issues such as leaks, heat loss or gain, and structural damage. Here are some key guidelines for proper installation and maintenance:

Installation:

1. Hire a Professional: It is essential to hire a professional skylight installer with experience in curb mount skylights. They will have the expertise and knowledge to properly assess the roof conditions, ensure the correct measurements, and execute a quality installation.
2. Choose High-Quality Materials: Select skylights made from high-quality materials, such as sturdy frames and durable glazing with appropriate insulation properties. This will ensure the skylight’s durability and resistance to weather, UV radiation, and potential debris impact.
3. Weatherproofing: Proper weatherproofing is crucial for preventing leaks. Install a flashing system that directs water away from the skylight, ensuring it integrates seamlessly with the existing roof and creates a watertight seal. Use high-quality sealants and follow the manufacturer’s instructions for application.
4. Insulation: To minimize heat loss or gain, ensure proper insulation around the skylight curb and frame. Use insulation materials that are suitable for your climate and follow the recommended installation techniques to create an airtight barrier.
5. Secure Attachment: Ensure that the skylight is securely attached to the curb or frame. This includes properly fastening the skylight to the curb, using appropriate hardware, and following the manufacturer’s recommendations for structural support.
6. Sealant and Flashing Maintenance: Regularly inspect the sealants and flashing around the skylight for signs of wear or damage. Reapply sealant as needed and replace any damaged or deteriorated flashing to maintain a watertight seal.

Maintenance:

1. Cleaning: Regularly clean the skylight glass to remove dirt, dust, and debris. Use a non-abrasive cleaner and a soft cloth or sponge to avoid scratching the glass surface. Be cautious not to use excessive pressure, especially on fixed skylights, to prevent potential damage.
2. Inspect and Clear Drainage: Periodically inspect and clear any debris that may accumulate in the skylight’s drainage or weep holes. This will ensure proper water drainage and prevent water from pooling or causing leaks.
3. Trim Nearby Trees: If there are trees or branches in close proximity to the skylight, regularly trim them to prevent potential damage or debris accumulation on the skylight surface. Falling branches or leaves can cause cracks or scratches and impact the skylight’s performance.
4. Check for Leaks: Regularly inspect the interior area around the skylight for signs of leaks, such as water stains or moisture. If any leaks are detected, address them promptly by contacting a professional skylight repair service to identify and fix the underlying issue.
5. Winter Maintenance: In colder climates, be mindful of snow accumulation on the skylight. Brush off excess snow gently to prevent excess weight and potential damage. Avoid using sharp tools or excessive force that could scratch or crack the glass.

Regular maintenance and prompt attention to any issues will help ensure that your curb mount skylight continues to function optimally, providing abundant natural light and enhancing the aesthetic appeal of your space.

Conclusion

Curb mount skylights offer a beautiful and practical solution for bringing natural light into buildings. They provide numerous advantages, including increased natural light, enhanced aesthetics, improved health and well-being, ventilation options, energy efficiency, privacy, and views. However, it is essential to consider the potential disadvantages, such as cost, complex installation, maintenance requirements, potential for heat gain and glare, and limited placement options.

Prior to installing a curb mount skylight, factors such as the roof structure, location, climate, energy efficiency, building codes, and budget need to be carefully considered. Hiring a professional installer and choosing high-quality materials are key to a successful installation. Regular maintenance, including cleaning, inspection, and addressing any issues promptly, is necessary to ensure the skylight’s optimal performance and longevity.

By taking into account these considerations and following proper installation and maintenance practices, you can enjoy the benefits of natural light, improved aesthetics, energy efficiency, and a comfortable and inviting living or working environment. Curb mount skylights can transform any space by bringing in the beauty and warmth of natural light, creating a connection to the outdoors, and enhancing the overall ambiance of the building.

Regardless of the decisions made regarding curb mount skylights, it is recommended to consult with skylight professionals who can provide expert guidance and advice tailored to your specific needs and requirements. With proper planning, installation, and maintenance, a curb mount skylight can be a valuable addition to any building, offering both functionality and visual appeal.