Door and window series

Premium Door & Window Profiles: Silence · Security · Sustainability

Engineered with 6063-T5 alloy and multi-chamber thermal break technology, our profiles feature nano-coated surfaces (powder/fluorocarbon). Certified performance:
  • Wind Resistance Class 9

  • Water Tightness Class 6

  • Air Permeability Class 8

  • 35dB Sound Insulation

  • 30%+ Higher Energy Efficiency vs national standards. Ideal for luxury residences, commercial buildings, and retrofit projects.

Full customization (color/size/opening style) supported. German-engineered production ensures ±0.1mm precision. 20-step quality control with 10-year global warranty.

Explore GRT112 Series – The Industry-Proven Thermal Innovation