The GR70 is a precision-engineered inward-opening window designed for exceptional energy efficiency and sealing performance. Its advanced aluminum frame structure features multi-layer gaskets and a thermally broken profile, providing superior insulation, airtightness, and noise reduction. This model is ideal for premium residential or light-commercial spaces requiring reliable performance and elegant aesthetics. environments.
🌀 Wind Resistance: Level 16 — compliant with Miami-Dade County hurricane pressure standard
💧 Water Tightness: Level 5 | Air Tightness: Level 5 — tested under AGWA / AS2047 for heavy weather exposure
🌡️ Thermal Insulation: 1.7 W/㎡·K — rated for NFRC high-efficiency energy performance
🔇 Sound Insulation: 40 dB — WERS 5-Star acoustic classification
🔒 Safety Pressure: RC2 — Florida DBPR compliant for coastal and high-pressure applications
⚙️ Design Features: Dual EPDM sealing, concealed drainage track, precision-cast hinges, and multi-point locking for enhanced wind load resistance and long-term durability.
The GR70 Inward Opening Window combines modern functionality and energy efficiency with internationally recognized standards for wind, air, and water resistance.







Panora Windows and Doors LLC DBA Panora Luxury