Certified Quality

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Quality alkon

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!

Quality Certifications alkon

  • We implement production, installation & after-sales support control systems for aluminium window and door systems in accordance with ISO 9001, certified by the international certification body Swiss Approval International, which performs annual audits to ensure compliance with the system.
  • Our company, respecting environmental regulations and committed to environmental management, is certified under the environmental management system ISO 14001:2015 across all stages of its production process. The certification is issued by the international certification body Swiss Approval International, which conducts annual compliance audits.
  • We continuously strive to promote the Health & Safety of our employees. For this reason, we have established and implemented an Occupational Health & Safety Management System in accordance with ISO 45001:2018 requirements for the manufacturing, sales, installation, and after-sales support of aluminium window systems.
  • We are a member of the Hellenic Aluminium Manufacturers Association (SEKA) and certified by the Aluminium Construction Institute (INKAL), with a production and installation quality control system for aluminium window systems known as the SEKA Q-System.
  • The aluminium systems, glass panes, and accessories we use fully comply with all European manufacturing standards and are tested and certified by internationally recognized laboratories such as Rosenheim & Giordano.
  • We are committed to the quality of the electrostatic coating of our constructions, using certified architectural powder coatings from leading companies in the industry. In addition, the powder coating process is carried out in accordance with QUALICOAT European Standards and the specialized seaside protection technique.
  • The warranty of the materials and components we use, combined with the construction quality guarantee of alkon, allows us to offer a lifetime material quality guarantee and a long-term guarantee of proper operation and installation for all projects we deliver.

CE Marking

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.

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