Who We are

We envision perfection of your space!
We offer total quality-security-energy savings

alkon-KONSTANTOPOULOS is a large and flexible modern company that designs, manufactures and installs aluminium doors and windows as well as special structures of aluminium and iron, for residential and commercial buildings worldwide.

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Save Through Replacement

As one of the most important structural elements, frames play a key role in communication and the...


Get to know

Aluminium and glass – Energy Upgrade – Security – Soundproofing & Wellbeing


Ask the Expert

alkon is always available to help you to make the best choice in aluminium systems. Since 1990 we...

We are here for you!

To help you get what you dream of!

alkon is one of the largest manufacturers of aluminium frames that can provide quality living, for the space where you live or work, throughout Greece and also abroad.

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alkon products

When it comes to doors, windows and special structures, alkon has the years of experience and expertise to offer top quality solutions, high strength and at the best market prices. Regardless if it concerns replacement or a new construction, we are here to help you pick what suits you and will contribute to the comfort, energy efficiency and aesthetics of your own space, through a wide range of products.

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Opening heat-insulating aluminium frames

Up to 40% energy savings - Polyamide Thermobrake - Security - High soundproofing and sealing - Excellent aesthetics


Sliding heat-insulating aluminium frames

Energy savings - High security - Modern appearance – Perfect functionality - Combination of rolling shutters and aluminium blinds


Retractable heat-insulating aluminium frames

Robust construction & design - Large opening & easy rolling - High security, soundproofing and sealing – Large energy savings

alkon creations

We create aluminium doors and windows that seamlessly bring together the open air with your personal space!

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