Kommerling uPVC window section

Suppliers of Kömmerling uPVC glazing products

At Alex Trade Frames, we supply residential windows and doors using Kömmerling’s O70 Gold ovolo system. Easy to fabricate and install, we can supply Kömmerling uPVC windows as part of our next day frame service. Our close partnership with Kömmerling also means we can supply bespoke orders quicker than most.

23% of all uPVC frames installed in Europe are Kömmerling – a popular choice among home owners. Warm, secure and versatile, Kömmerling profile is the perfect choice for residential windows and doors.

Why choose Alex Trade as your Kömmerling uPVC supplier?

  • Dedicated account manager and marketing support
  • Expert technical support
  • Smooth supply process from supply partners Kömmerling
  • Full range of windows and doors
  • Emphasis on fast turnaround times and a professional, punctual service
  • Benefit from our next day delivery service for uPVC windows
  • Delivery on time, every time


Kömmerling windows and doors from Alex Trade

Kömmerling’s uPVC system is naturally insulating. Our windows achieve a WER rating of Grade C compliance without the need for costly warm edged Swiss spacer bar in the double glazed units. A-Rated windows are also available on request. Our standard double glazed units consist of 4mm Planitherm Total Plus glass, 20mm cavity with 90% Argon gas, standard aluminium spacer bar and 4mm float glass.

So, any combination of frame, colour, and reinforcement fitted with our standard unit is compliant. All the BBA inspectors in Cheshire and the wider region have a copy of our specifications together with the relevant B.F.R.C. simulation reports. This means they will be satisfied of compliance for any job of yours they may inspect.

Kömmerling profiles are all certified to BS7412, BS7413, PAS023, PAS024, and BS7950, letting you install with confidence.

A-Rated window specifications

Outer frame Reinforcement W.E.R. ‘U’ Value Report no.
Slim (2900) Standard A 1.5 0044
Slim (2900) Full A* 1.6 0045
Large (2901) Standard A* 1.5 0043
Large (2901) Full A* 1.6 0086


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