alkon-KONSTANTOPOULOS is among the first companies in the industry to implement a production–installation–after-sales support quality control system since 2003, for the Next Generation Openings it manufactures.
This is because, from the very beginning of our operations, we have believed in total quality at every stage of our collaboration with our clients.
From the initial contact, the study and the cost estimation we prepare, to the high-quality manufacturing and guaranteed installation, all the way to after-sales support of your project, our philosophy remains one: Customer satisfaction!
All products of alkon-KONSTANTOPOULOS bear the CE marking and comply with the requirements of European Regulation 305/2011 and the Greek Energy Performance of Buildings Regulation (KENAK).
CE documentation officially declares that the product manufacturer implements a Production Control System and has applied the technical specifications of the system provider used to manufacture the final product – the window or door unit.
In addition, it requires the manufacturer to present and commit to the performance characteristics of aluminium window systems according to the relevant product standard EN 14351-1:2006+A1:2010, including thermal transmittance of the frame, wind load resistance, water tightness, and air permeability.