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8Kommerling O70 window profile used to make our uPVC windows

Trade supplier of quality Kömmerling uPVC windows, serving Stockport, Manchester and Cheshire

At Alex Trade, we supply uPVC windows exclusively fabricated using the O70 Gold ovolo system from Kömmerling. This means all of our uPVC windows offer the clean lines expected from a modern window. The ovolo profile is designed to merge seamlessly with any style of home and is popular with customers in modern and traditional properties alike. There are many benefits to our uPVC windows including:

  • Fabricated in a fully sculptured ovolo Kömmerling system
  • Minimal sightline ‘Platinum’ gaskets – pre-fitted to save time
  • Internally glazed with MACO Shootbolt locking system for maximum security
  • Available in either slim or large outer frame
  • Side hung fire escape hinges as standard
  • FENSA and Part L building regulations compliant
  • Benefit from our next day trade frame service

Our uPVC windows are robust: reinforced with steel where necessary and internally beaded. They also feature multipoint locks as standard, for the highest levels of security.

Handle more jobs more quickly and easily with a simple-to-install system that allows you to make the best use of your time. At Alex Trade Frames, we also offer a next day frame service for all our uPVC window products.

Installation guide: How to toe and heel windows & doors 

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Colour Options

  • White


  • Cream


  • Irish Oak

    Irish Oak

  • Gold Oak

    Gold Oak

  • Rosewood


  • Chartwell


  • Anthracite


  • Black


uPVC window designs

At Alex Trade Frames, we can supply uPVC windows in virtually any configuration. Casement, bow and bay windows are a given, and as we manufacture our windows in-house, we can accommodate orders for bespoke glazing and custom shaped windows.

Offer your customers more than white windows with foiled woodgrain frames. Our Kömmerling uPVC windows are available in a wide range of colours, including Rosewood, Golden Oak, Irish Oak, Black, Grey, Cream, White Woodgrain and Chartwell Green.