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Enhance Your Teesside Home with Our Exceptional Windows

At Sealtight Windows NE Ltd, we provide numerous window options for customers across Teesside. We manufacture and install Kommerling windows, providing an extensive choice of frames, in numerous different colours. As well as this, we provide an extensive range of glazing options, giving you the windows that you want, at the exact requirements you need. For the best windows in Teesside, choose Sealtight Windows NE Ltd.

Our Kommerling UPVC windows have been industry leading for over 40 years, providing the highest levels of innovation and quality you can find. This level of quality is driven by a keen environmental awareness. We want homes in Teesside to be much more energy efficient, and a great way of doing this is installing high quality UPVC windows. It’s common knowledge that earth is gradually loosing its natural resources, and battling the devastating effects of climate change. That’s why it is imperative that both businesses and consumers look to help reduce our carbon footprint. We can all do our bit by using less energy in our homes and investing in energy efficient products, such as quality windows.

Why Choose Us?

With over 40 years in the trade, we guarantee a second to none after care service with NO high pressure selling.

Transforming Homes Across Teesside

Whilst most window manufacturers and installers use an outdated 3 chamber profile, our UPVC windows have a patented 5 chamber profile, allowing for an increased thermal performance. This feature is one of the main reasons that our windows are much more efficient than our competitors. Our windows have soft sculptured lines in the frame and sash, and low line gaskets that help to achieve a much slimmer sightline. As standard, all our windows are supplied and fitted with the following:

  • A profile depth of 70mm
  • A 5 chamber profile, allowing increased insulation
  • Reinforced profile
  • Finished in a choice of 44 different colours
  • Higher security from internal beading
  • 25 year colourfast guarantee

Our partnership with Kommerling allows us to provide windows that are tailored to your requirements and specifications. This will help to ensure that the windows fit perfectly in your home, and give you the desired outcome that you’re looking to achieve. Our wide range of options and customisations helps you to easily find a window that you love, and that is unique to you and your home.

Our Kommerling window frames are fitted with Pilkington glass; a supplier of glass that is unrivalled in their industry for product development, product quality and innovation. The strength of this partnership allows us to provide our customers with the latest, most advanced and highest quality products, that are far superior to those of our competitors.

Frequently Asked Questions

Sealtight Windows NE Ltd specialises in manufacturing and installing Kommerling UPVC windows. These windows come in various colours and frame options, providing numerous customisation possibilities.

Kommerling UPVC windows are renowned for their high standard of quality and innovation. These windows are energy-efficient, environmentally considerate, and help in reducing the carbon footprint, thereby contributing to the fight against climate change.

Sealtight Windows NE Ltd distinguishes itself through its commitment to exceptional quality and attention to detail. Our windows feature a 70mm profile depth, 44 different colour options, internal beading for higher security, and a reinforced structure.

Our windows offer extensive customisation options to perfectly match your home’s aesthetic and functional requirements. These include a variety of colours, frame styles, and glazing options. We also provide a 25-year colorfast guarantee, ensuring that your windows maintain their appearance over time.

Choosing Sealtight Windows NE Ltd means opting for industry-leading quality and innovation. We have over 40 years of experience and a team of highly skilled tradesmen, we ensure top-notch manufacturing and installation of windows. Our products not only enhance the beauty of your home but also improve its energy efficiency, security, and overall value.

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