Quality

Tekstura hrasta

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)

With proper maintenance, our windows, balcony doors, and sliding walls will last a lifetime.

We have an ISO 9001 certificate, as well as certificates for air permeability, water tightness, wind load resistance, sound insulation, and heat transfer coefficient calculation.
Discover our quality