Individual Products

All Internorm windows are unique and tailored to provide an array of options for commercial, industrial and residential properties, whatever the scale and scope of your project.

Modern Technology

Internorm have led in construction technology for decades and are continuously committed to providing technological solutions for those who want the future today.

Perfect Combinations

If you’re looking to combine different materials and elements for different aspects of your design then all our ranges are more than up to the task. Don’t be limited by conventional thinking.

Professional Service

Ecotec takes great pride in the personal service we offer. If you don't know where to start, or you know exactly what you must have, we can help you from start to finish.

About Internorm

Internorm windows and doors have been a family business for more than 80 years having developed from a one-man blacksmith‘s shop to the largest internationally active window brand.

Internorm are pioneers in their field and continue to further develop technology and innovative ideas. Their staff, of over 1900 employees across Europe, are specialists who thrive on attention to detail and act with passion and integrity.


Our Vision

Internorm believe in continuous development and so do we. Their on-going commitment to innovation and forward thinking designs makes them a pioneer of the industry as well as a conscious protector of the environment.

Together we enable you to create the best home that you possibly can using Internorm window and door designs, constructed to PassiveHaus standard to increase thermal efficiency and reduce your carbon footprint. Make our combined vision a reality, we are on hand to provide service each step of the way.


The Ultimate in Glazing Technology

You can choose from the many different Internorm window, door and sliding door design styles so that you can find solutions amongst the multitude of possibilities in shape, colour and material which fulfil exactly your demands on architecture, design and comfort: studio, home pure, home soft and ambiente.

HV350 Profile

Architecture is as varied as the people living in it. Not only does the design shape the style of the house, but windows and doors also underline its character considerably.


You can choose from the multitude of possibilities in shape, colour and material which fulfil exactly your demands on architecture, design and comfort: studio, home pure, home soft and ambiente.


New windows and doors from Internrom not only improve the comfort – but they also help with Energy saving.

Download a brochure

Browse the extensive range of products we offer here in our catalogue. This is available to you as a PDF or in hard copy.

  • Photos & illustrations of all ranges

  • Specifications, finishes & colours

  • New technologies

  • Multiple glazing options

  • Guarantees & Warranties


Visit Us

Bringing the latest stylish products and designs from the exceptional Internorm range close to you throughout the UK. Ecotec is proud to announce the opening of our showroom, just 10mins drive from J36 of M1 and 15mins drive from J37 of A1 - if you would like to take a look at our product ranges, please give us a call to make an appointment - 01226 885019.

We would love to see how you’re planning to integrate Internorm windows and doors into your design and will be happy to lend our expertise to see your vision brought to life.


Contact Us

Our Showroom is open by appointment only, so we can give you an individually tailored viewing experience. Call 01226 885019 to arrange a time to suit you, even if this is outside normal office hours or at a weekend.