2 generations together

I feel the need to thank the thousands of customers who trusted us,
have supported and have been supporting us for over four decades.

This fact is a motivation to continue our effort
Getting better every day.

Yiannis Damanakis

Πορτες Παραθυρα Αλουμινιου - alkat.gr




Based on our know-how and experience




Our cooperation with the German producer of mechanisms ROTO FRANK AG, is the guarantee for the maximum level of security.




Excellent application, operation and durability of the final product



With an after sales service contract forever





Weather protection | Soundproofing | Energy saving


the special design of water collection and drainage in all our systems, the detailed treatments for the excellent application of the mechanisms, the components, the special EPDM rubber gaskets, the high-tech thermal break polyamides, in combination with the guaranteed application to the project by the experienced ALKAT-DAMANAKIS technical staff, provide our customers with a top overall quality European product.