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High quality windows and doors

Rationel bespoke windows and doors are available in timber or timber clad with aluminium. Please select the product you are interested in for more information.

Select the material you are interested in:

Timber Aluminium


Opening functions

Our windows and doors are available in a range of different opening functions. Click on the opening styles below to read more about features and sizes.


Shaped windows

Shaped Units

In addition to our regular styles, we manufacture bespoke shaped units to fit a range of unique openings. Curved, circular and slanting units are available in Domus, Aldus, Patus & Patus+ product ranges.

For peace of mind a consulting service is also available to provide specialist design drawings and structural calculations for even the most complex window or façade installations.

Please feel free to contact us and discuss your project.

Shaped WindowsRound Window