Windows were invented and designed mainly for the purpose of letting natural light into buildings and assuring room ventilation. Later they started to be filled with animal leather, wood or fabrics. Then came the era of windows equipped with shutters that could be opened and closed. The main aim of windows was to protect people from unfavourable weather conditions.
Glass was first used by the Romans and it was Europe where glass windows enjoyed enormous popularity whereas in China, Korea and Japan paper was used. Presently much attention is paid to power consumption and making our comfort of life increasingly higher.
Therefore you will find energy-saving windows in our offer.
Constantly developing our products we have created energy-saving windows which meet the standard of a passive house.