Special-shaped windows – all windows made to measure

Maximum design freedom for windows

We offer you an almost endless variety of options for designing your windows so that they suit you perfectly. This gives you an incredibly flexible choice of shapes. Suitable for every style of living, from modern minimalist to classic contemporary.

Discover our special-shaped windows

Depending on the material and window family, special shapes can be created.

arched window

Arched windows give your home an elegant, timeless look.

gable window

Gable windows, also known as triangular windows, add architectural accents and create an individual, expressive style.

Curved glass surfaces

Curved glass surfaces enable extraordinary lighting solutions and a consistent, minimalist design.

Other special forms

With FixFrame fixed elements, there are no limits to architectural imagination.

Your customised special shape: 4 steps to a tailor-made offer

Let us know how you envision your project and what plans you already have.

Your local Josko representative will contact you to arrange an appointment for a consultation with our experts.

At your local Josko showroom, you can experience the wide range of products and discuss your requirements with your advisor.

Dein Josko Berater erstellt ein auf dein Projekt zugeschnittenes Angebot & bespricht dieses in Ruhe mit dir durch.

Arrange a consultation appointment

Advantages of our special-shaped windows

High-end design

Special shapes embody particularly high demands on precise manufacturing and advanced technical expertise. This results in particularly aesthetic and tailor-made solutions.

Custom-made to the millimetre

Special shapes such as arches or curved glass panes are created using precise templates – individually created by our experts on site.

Inspiration for special window shapes

Villa KG

Weingut Hirtzberger

House on a slope

Villa KL

Villa Lindlux

Julianhof

All references

FAQs about special window shapes

What are special window shapes?

Special window shapes are windows that deviate from classic rectangular shapes, such as arched, gabled or triangular windows. They are individually designed and manufactured.

Can windows with special shapes be opened?

Yes. Depending on their shape and size, special shapes can be implemented as fixed glazing or openable glazing.

Are special-shaped windows energy efficient?

Yes. All our windows come with triple glazing as standard and meet modern thermal insulation requirements.

Are special window shapes suitable for renovations?

Yes. Special shapes can also be the right solution for extensions or renovations with unusual roof or façade geometries.