Quality confirmed by certificates
All Windor profiles comply with global quality standards.
ISO 9001 guarantees consistent quality throughout the entire production process – from raw material selection to final production. Every step is monitored to ensure a high level of quality.
Our products meet strict energy standards and requirements according to the following standards:
HRN EN 14351-1:2016 – Windows and doors - Standard for product characteristics (EN 14351-1:2006+A2:2016)
HRN EN ISO 10077-2:2017 – Thermal properties of windows, doors and screens - Calculation of heat transfer coefficient using a numerical method for frames (ISO 10077-2:2017; EN ISO 10077-2:2017).
Also, our products are subjected to thorough testing according to the following standards:
Air permeability (breathability) (HRN EN 1026)
Watertightness (HRN EN 1027)
Resistance to wind load (wind permeability) (HRN EN 12211)
Sound insulation (ISO 140-3)
Heat insulation (EN ISO 12567-1)