Daily Archives: September 12, 2024

How To Choose a Roof Lantern For Your Home

Roof lanterns are a fantastic way to transform your home by adding natural light and architectural appeal. Whether you’re constructing a single-story extension or renovating an existing space, a roof lantern can serve as both a functional and aesthetic centerpiece. Choosing the right roof lantern, however, requires careful consideration of various factors such as materials, thermal efficiency, design, and budget. In this article, we’ll guide you through the process of selecting the perfect roof lantern for your home, with a focus on flat roof lanterns.

What Are Roof Lanterns?

Roof lanterns are pitched glass structures typically installed on top of flat roofs. They are designed to flood a room with natural light from above, creating an airy and open atmosphere.


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Roof lanterns are especially popular in single-story extensions, as they offer a modern alternative to conservatories. Conservatories often suffer from temperature issues, being too hot in the summer and too cold in the winter, while flat roof lanterns provide better insulation and year-round comfort.

Why Choose Flat Roof Lanterns?

Flat roof lanterns have become a popular feature for modern homes, especially in single-story extensions, kitchens, and living areas. One of the main reasons homeowners opt for flat roof lanterns is the significant amount of natural light they bring into a room. Unlike traditional skylights, roof lanterns are larger and more architecturally striking, creating a focal point in any space. They also improve the sense of height in a room, making it feel more spacious and airy.

Another reason to choose a flat roof lantern is that it offers a solution to the common problem of light deprivation in spaces with flat roofs. When a flat roof is added to a building, it can block natural light from entering, making the space feel dark and closed off. Roof lanterns solve this issue by allowing light to enter from above, transforming the atmosphere of the room below.

Considerations When Choosing a Roof Lantern

When selecting a roof lantern for your home, there are several important factors to keep in mind. Let’s explore the key considerations to help you make an informed decision.

1. Materials

Roof lanterns are typically available in three main materials: timber, PVC, and aluminum. Each material has its own pros and cons.

Timber: Timber roof lanterns provide a traditional look that complements period properties. They are often custom-made and offer a warm, natural aesthetic. However, timber is more expensive and requires regular maintenance, including painting and sealing to protect against the elements.

PVC: PVC roof lanterns are a more cost-effective option. They are lightweight and easier to install than timber lanterns. However, they are prone to expansion and contraction due to temperature changes, which can lead to warping over time. Additionally, PVC lanterns tend to be bulkier and less visually appealing than aluminum or timber options.

Aluminum: Aluminum is the most popular material for modern roof lanterns. It offers strength, durability, and a sleek, contemporary look. Aluminum is also resistant to temperature fluctuations, making it ideal for larger glass spans. It requires little maintenance and can be powder-coated in a variety of colors to match your home’s design.

2. Thermal Efficiency

One of the most important factors to consider when choosing a roof lantern is its thermal efficiency. A well-insulated roof lantern will help maintain a comfortable temperature in your home, keeping it warm in the winter and cool in the summer.

Modern roof lanterns are designed with thermal breaks, which are materials like polyamide (a type of plastic) inserted between the inner and outer parts of the frame. These thermal breaks prevent heat transfer, reducing the amount of heat that escapes during the winter and keeping excess heat out during the summer. When shopping for a roof lantern, check the U-value, which measures the thermal efficiency of the product. The lower the U-value, the better the insulation.

3. Size and Design

The size of your roof lantern will depend on the dimensions of your flat roof and the amount of natural light you want to bring into your space. Larger lanterns offer more light, but you also need to consider the structural integrity of your roof. For larger glass spans, aluminum is often the best choice due to its strength.

In terms of design, roof lanterns come in a variety of styles, from traditional to ultra-modern. A more traditional lantern might feature decorative rafters, while contemporary designs offer slim, minimalistic frames. Think about how the style of the lantern will complement your existing architecture and interior design.

4. Cost

Cost is a major consideration for most homeowners. Timber roof lanterns are the most expensive due to the custom craftsmanship involved, while PVC lanterns are the most affordable. Aluminum offers a good balance between cost, durability, and aesthetic appeal, making it a popular choice for many.

Keep in mind that while PVC may be cheaper upfront, it might not last as long or perform as well as aluminum over time. Aluminum’s durability and low maintenance requirements can make it more cost-effective in the long run.

5. Installation and Lead Times

Roof lanterns should be easy to install, especially if you’re undertaking a self-build project. Look for a product that comes with clear installation instructions or consider hiring a professional installer to ensure the job is done correctly.

Another factor to consider is lead time. Custom-made timber roof lanterns may take longer to produce and deliver, while PVC and aluminum options are usually available with shorter lead times. If you’re on a tight schedule, be sure to ask about production times before making your purchase.

Conclusion

Flat roof lanterns are an excellent addition to any home, bringing in natural light, enhancing the architectural appeal, and adding value to your property. When choosing a roof lantern, consider the materials, thermal efficiency, size, design, and cost to ensure you get the best option for your home. Whether you opt for the traditional charm of timber or the sleek modernity of aluminum, a well-chosen roof lantern will brighten your space and create a stunning visual centerpiece.

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Roof Lantern