GR85 Passive Fiberglass Reinforced Polyurethane (FRPU) Inward-opening Casement Window

The GR85 Passive Fiberglass Reinforced Polyurethane (FRPU) Outward-Opening Casement Window is a high-performance window system specifically engineered for passive house and ultra-low energy buildings. Certified with PHI Passive House Certification, the window combines advanced fiberglass reinforced polyurethane thermal break technology with exceptional airtightness and insulation performance, helping reduce overall building energy consumption while maintaining superior indoor comfort.

Featuring a robust multi-cavity profile structure, triple sealing system, and premium Roto hardware, the GR85 passive window delivers outstanding thermal insulation, sound reduction, and weather resistance for demanding residential and commercial projects. The slim modern appearance, combined with flexible double or triple glazing options, makes it an ideal solution for contemporary architecture requiring both energy efficiency and elegant design.