a window made to surprise

hidden beauty

The INVISIO window has a concealed leaf and lateral uprights that are completely concealed by the walls. When looking from the outside, ALL THAT YOU CAN SEE IS THE GLASS. Its thoughtful design makes it perfect for those seeking a solution in which elegance and functionality are perfectly combined.


Estimate Request

Contact us to receive a custom offer without any further obligation on your part. Our sales department will contact you and submit the best offer for your home or office.

INVISIO is available in a range of different aesthetic designs and so can be adapted to various different architectural styles. Thanks to the wide range of finishes, RAL colours, wood effects and textures, INVISIO can be adapted to meet the most diverse interior design requirements.


With the same surface area of a traditional window, INVISIO is the perfect solution for maximum enjoyment of natural light. The concealed frame makes it possible to create large glass windows where the glass is all that can be seen from the outside.
Thanks to the wide range of finishes, RAL colours, wood and oxidized effects, INVISIO can be adapted to meet the most diverse interior design requirements, while also ensuring elegance and attention to detail on the outside of the building.


Aurora Handle

The available options include the traditional Martellina handle and the EXENS model, the innovative handle with no back plate. Both solutions combine functionality and aesthetics thanks to the simple, yet elegant profiles of the Aurora line.


Secret Hinge

SECRET concealed hinge for leaf and tilt&turn leaf with 180° rotation capability allowing the window to be opened fully. Each leaf has a capacity of up to 150kg.

Drainage cap

Maximum attention to detail is ensured with the inclusion of an aluminium cap, which matches the colour of the window frame and covers the external holes used to drain water and condensation.

The casement window with concealed leaf and thermal break enhances your home with its superlative aesthetics and unbeatable thermal and acoustic insulation performance.


The thermal break in the window ensures excellent thermal insulation and effective noise reduction making it the perfect solution for improving the quality of indoor living. The thermal break ensures exceptional thermal and acoustic insulation while the excellent sealing system notably reduces air and water infiltration, resulting in more comfortable living and increased energy savings.


Thermal insulation


Acoustic insulation


Water tightness





Thermal insulation


Acoustic insulation


Water tightness




The quality of a window is the result of several factors, not least of which is the fitting and installation, which must be performed by qualified, skilled professionals.


Related Products


The INVISIO-S sliding window has a concealed leaf, concealed sill and…

Luce Interno

The LUCE casement window boasts exceptional technical…


The Oversun system offers a wide range of solutions for all requirements…


    Register in order to download the brochure

    Select customer type

    Enter your email

    VAT ID

    VAT ID


    By clicking on "send" you are consenting to the processing of your personal data by ALsistem in accordance with Italian Law 196/2003. This site is protected by Google reCAPTCHA and is subject to Google's Privacy Policy and Terms of Service.


    SHAPE: create your own entrance

    Customized entrance door   Today we talk about the panels…

    Aluminum windows, a style choice

    Choosing the right window for your home, your office, your…

    Corsi di Formazione 2018

    I corsi di formazione per Serramentisti e Installatori di Finestre…

    Ecobonus serramenti 2019: rispondiamo alle tue domande.

    Per l’acquisto e l’installazione di finestre, infissi e schermature solari, la…

    Our authorised dealers

    ALsistem is present throughout Italy and has a comprehensive network of authorised retail partners specialised in the design, manufacture, sale and installation of ALsistem windows.