Internorm KF520 Window | Minimal Frame | Maximum Performance

The Internorm KF520 is sleek, Modern and Contemporary. Its integrated and patented Itec locking means that its also one of the most secure and burglar resistant window systems available on the market today. The frame design on this windows means that with some clever detailing the external of the frame can be almost completely concealed and hidden, giving a frameless look with outstanding levels of performance.

Colour options for windows and Doors

Discover the endless possibilities with Internorm’s colour options for windows and doors! Whether you’re looking to match your home’s exterior or add a pop of personality indoors, Internorm offers a range of stylish, durable colour choices to suit every style. See how you can customize your windows and doors to make every detail uniquely yours!

Internorm KF410 Window | Passivhaus Suitable | Triple Glazed | Ultra Efficient

The Internorm KF410, Triple Glazed Tilt & Turn Window has long been one of the most popular windows for Passive House applications. Extremely Energy Efficient, Available in a wide range of finishes and with some of the best security credentials around this window system is also budget friendly manufactured in both UPVC and UPVC Aluminium clad.

Discover the Internorm’s HF410 Timber-Aluminium Clad Triple Glazed Window System!

In this video, we explore the innovative HF410 window system from Internorm, featuring a stunning blend of timber on the inside and aluminium cladding on the outside for a perfect combination of natural beauty and durable protection. With triple glazing for top-notch energy efficiency, noise reduction, and insulation, this window system is ideal for modern homes. Plus, the HF410 offers a wide variety of colour choices, allowing you to personalize your windows to match your style. From classic tones to contemporary shades, the possibilities are endless! Upgrade your home’s aesthetics and performance with Internorm’s HF410! ✨

Internorm KF510 Window | Triple Glazed | Slim Sightline | Ultra Secure

The Internorm KF510 is the newest product in our range. This ultra slim product has all of the same common features as our other Internorm products, But with an ultra slim external profile inside and out, integrated and fully concealed locking and its fully customisable inside and out, with a wide variety of Mock Timber and RAL finishes. The products aluminium cladding externally means that product will stand up to the most extreme of climates without the need for maintenance.

How to finish windows externally

How We Finish Your Windows at Glass Worx Ltd ✨ In this video, Mark walks you through our window finishing process. From installation to the final touches, we ensure every detail is completed to the highest standard for a flawless look and long-lasting performance. Learn more about our dedication to quality craftsmanship and why Glass Worx Ltd stands out in the industry. Watch now and see the care we put into every project!

Internorm KF310 Window | Budget Friendly | Triple Glazed | High Performance

The Internorm KF310 is the most budget friendly product in our offering with U Values as low 0.62 and its available in a wide range of finishes. This extremely customisable product has fast become our most popular window system for new, self and custom build projects over the past 5 years and is more than suitable for Retrofit applications also.