House with glazed façade made up of minimalist sliding windows

The frameless premium sliding window

swissFineLine sliding windows and doors impress through their minimalist design and absolute transparency. They contribute to limitless architectural possibilities and designs characterised by a sense of lightness.

The unmistakeable simplicity of swissFineLineframeless windows and doors create a seamless transition between indoor and outdoor spaces. 

The elegant profiles blend into walls, floors and ceilings, while large-format sliding windows measuring up to 25 m² open up spectacular landscapes outside – and create magnificent interior experiences.


The large sliding windows, which can be operated via an app or at the touch of a button, glide almost silently along the guide rails concealed in the floor. 

The large-format glass elements flood your home with natural light, creating a warm atmosphere for your interior while you enjoy the expansive views of your surroundings.


Elegant profiles of just 24 millimetres

Maximum burglary protectionchevron_right

swissFineLine not only helps to fill your home with light, it also ensures that you can enjoy safety and security within your own four walls.

As the only sliding window to offer burglary protection in resistance class RC4 plus optional bullet resistance, swissFineLine provides maximum security. Setting a new standard in window security.

Individuality customised

The sliding windows, which are characterised by aesthetics and precise functionality, according perfectly with your individual wishes and architectural ideas.

Over-size windows or extraordinary versions of our products present no obstacles to us – on the contrary, we have the creative skills needed to rise to any challenge and make the impossible possible.

Unrivalled dimensionschevron_right

Unrivalled dimensions

Glass as far as the eye can see. swissFineLine offers element sizes up to 25 m². The use of glass as a self-supporting structural elements enables a fully frameless appearance.

swissFineLine Sizechevron_right

The safest sliding windowschevron_right

The safest sliding windows

swissFineLine offers burglary protection up to RC4 – thus guaranteeing excellent personal and property protection. This ensures your windows will withstand even the most extreme assaults.

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Sound insulationchevron_right

Sound insulation

Don’t let anything disrupt the peace and quiet. swissFineLine window elements feature outstanding sound insulation (Rw = 46 dB). This means you can make your home into an oasis of tranquillity.

swissFineLine Silencechevron_right

More than a sliding window

Make your dream home a reality. The system solutions with corresponding accessories deliver unlimited creative freedom and maximum convenience.



Minimalism & delicate aesthetics provide limitless scope for architectural design.




Customise your swissFineLine elements with insect screens, sun protection & privacy shields.




Sophisticated system designs and options for outstanding architectural freedom. 


Award-winning design – certified technology

The window system recently received a "Special Mention" under the German Design Award for its special design quality, swissFineLine's rigorous quality standards and the system's appealing aesthetics.

Backed-up by continuous development, the frameless sliding window meets the various requirements of well-known test institutes and achieves class-leading values.

Learn more about swissFineLine.



Personal consultation

By video call or in our exhibition.

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Callback service


+41 (0)34 409 50 50
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Gerbestrasse 15, 3550 Langnau i.E.
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swissFineLine Showroom

swissFineLine Showroom

Immerse yourself in the world of transparent building and let yourself be inspired by frameless glazing. 

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Chanceless from the outside

Chanceless from the outside

No chance for burglars. swissFineLine achieves top security class RC4. Find out more about the most secure elegant sliding window.

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