...and look out for when purchasing uPVC high-end marked windows or doors!
is the profile made in Europe or China - Chinese profiles are cheaper, and much flimsier, although the overall appearance from the outside is identical?
Is the reinforcing steel strong and fit exactly in the chambers of the uPVC Profile?
What about the fittings? Are they up to the job - again, made in China for that market or for the European market?
Can any glass kind to be fitted into uPVC windows: Clear, tinted, antiusn, reflective, single, double, low-e and so on?
Chinese PVC doors and windows are heavily overpriced if you compare them with the excellent quality of VEKA profile imports which are custom built from imported stock from a highly reputable German company.
How do you recognize a good window profile?
The quality label RAL - awarded by the Association for Quality plastic windowing systems.
Class A the profile in accordance with the standards RAL.
Technical endorsements ITB, awarded by the Institute of Structural Engineering.
Certificate awarded by science center of the PPO.
The certificate ISO 9001 : 2000 - awarded by the German Society for the certification of management systems DQS GmbH.