Do extra large double hung windows have a UV - protection feature?

Jan 02, 2026

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Eliza Carter
Eliza Carter
International Marketing Manager at Foshan Baibian Metal Products Co., Ltd. Specializing in expanding global markets for bespoke aluminum window doors, pergolas, and premium bathroom fixtures. Passionate about creating custom solutions for hospitality and commercial projects.

Extra large double hung windows have become a popular choice for homeowners and commercial property owners alike due to their aesthetic appeal, functionality, and energy - efficiency. One question that often arises is whether these windows have a UV - protection feature. As a supplier of extra large double hung windows, I'm here to provide you with a comprehensive answer.

Understanding UV Radiation

Ultraviolet (UV) radiation is a type of electromagnetic radiation that comes from the sun. It is divided into three categories: UVA, UVB, and UVC. UVC is mostly absorbed by the Earth's atmosphere and does not reach the surface. However, UVA and UVB can penetrate the atmosphere and cause various problems. UVA radiation has a longer wavelength and can penetrate deeper into the skin, contributing to skin aging, wrinkles, and some forms of skin cancer. UVB radiation has a shorter wavelength and is responsible for sunburns and a significant portion of skin cancers.

In a building context, UV radiation can also cause damage to interior furnishings, flooring, and artwork. Prolonged exposure to UV rays can fade colors, weaken materials, and reduce the lifespan of these items. Therefore, having windows that can block UV radiation is highly desirable.

UV - Protection in Extra Large Double Hung Windows

Not all extra large double hung windows come with UV - protection features by default. However, many modern window manufacturers offer options to enhance UV protection. There are several ways to achieve this:

Low - E Coatings

Low - emissivity (Low - E) coatings are a common feature in energy - efficient windows. These thin, virtually invisible coatings are applied to the glass surface. They work by reflecting a significant portion of the sun's infrared and UV radiation while still allowing visible light to pass through.

Low - E coatings can be customized depending on the climate and the specific needs of the building. For example, in warmer climates, a Low - E coating can be designed to block more solar heat gain along with UV radiation. In colder climates, the coating can be optimized to retain heat inside the building while still providing UV protection. When you choose extra large double hung windows with Low - E coatings, you can expect a reduction in UV transmission of up to 95%. This means that your interior furnishings will be better protected from fading and damage.

Tinted Glass

Tinted glass is another option for UV protection. The tinting process involves adding a thin layer of colorant to the glass during manufacturing. Tinted glass can block a certain amount of UV radiation, as well as reduce glare and solar heat gain.

However, it's important to note that the effectiveness of tinted glass in blocking UV radiation can vary depending on the color and density of the tint. Darker tints generally offer better UV protection, but they may also reduce the amount of natural light entering the building. As a supplier, we can help you choose the right tint for your extra large double hung windows based on your specific requirements.

Laminated Glass

Laminated glass consists of two or more layers of glass with a plastic interlayer in between. This interlayer not only provides additional strength and security but also offers excellent UV - blocking properties. Laminated glass can block up to 99% of UV radiation, making it an ideal choice for applications where maximum UV protection is required, such as in museums or art galleries.

Benefits of UV - Protected Extra Large Double Hung Windows

Investing in extra large double hung windows with UV - protection features offers several benefits:

Preservation of Interior Furnishings

As mentioned earlier, UV radiation can cause fading and damage to furniture, carpets, curtains, and artwork. By blocking UV rays, these windows help to preserve the appearance and quality of your interior furnishings, saving you money on replacement costs in the long run.

Aluminium Tilt And Turn WindowsAluminium Tilt And Turn Windows

Health Benefits

Reducing UV exposure inside the building can also have health benefits for the occupants. Less UV radiation means a lower risk of skin damage and related health issues. This is especially important for people who spend a lot of time indoors, such as office workers or the elderly.

Energy Efficiency

Windows with UV - protection features, such as Low - E coatings, are often more energy - efficient. They can reduce the amount of solar heat gain in the summer and heat loss in the winter, leading to lower energy bills. For more information on energy - efficient windows, you can check out our Energy Efficient Casement Windows.

Other Window Options for Different Needs

In addition to extra large double hung windows, we also offer a range of other window types to meet different needs. Our Aluminium Tilt And Turn Windows are known for their versatility and ease of use. They can be tilted inwards for ventilation or opened fully for easy cleaning.

For those looking for high - end window solutions, our Calgary Luxury Windows And Doors offer a combination of style, functionality, and energy efficiency. These windows are designed to enhance the aesthetic appeal of your property while providing excellent performance.

Contact Us for Procurement

If you're interested in purchasing extra large double hung windows with UV - protection features or any other window products, we're here to help. Our team of experts can provide you with detailed information, product samples, and competitive quotes. We understand that every project is unique, and we'll work closely with you to find the best window solutions for your specific needs.

Whether you're a homeowner looking to upgrade your windows or a contractor working on a commercial project, we have the expertise and the products to meet your requirements. Contact us today to start the procurement process and take the first step towards a more comfortable and energy - efficient building.

References

  • "Window Energy Performance." U.S. Department of Energy.
  • "The Effects of Ultraviolet Radiation on Building Materials." Journal of Building and Construction Materials.
  • "Low - E Coatings: How They Work and Why They Matter." Window & Door Magazine.
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