The GR113 is a high-performance inward-opening aluminum window system developed for enhanced insulation, airtightness, and architectural precision. Its deep-profile structure and triple sealing configuration provide superior protection against extreme weather while maintaining slim, elegant sightlines. Designed for modern residential and commercial façades, it offers long-term performance, noise reduction, and energy efficiency.
🌀 Wind Resistance: Level 16 — compliant with Miami-Dade County hurricane-grade pressure standard
💧 Water Tightness: Level 6 | Air Tightness: Level 6 — AGWA / AS2047 certified for severe weather exposure
🌡️ Thermal Insulation: 1.6 W/㎡·K — NFRC high-efficiency energy rating
🔇 Sound Insulation: 42 dB — WERS 6-Star acoustic performance
🔒 Safety Pressure: RC3 — approved under Florida DBPR coastal structural category
⚙️ Design Features: Triple sealing system, heavy-duty concealed hinges, precision corner joints, and multi-point locking for secure and silent operation.
The GR113 provides premium energy and acoustic insulation with certified weather resistance, delivering exceptional comfort and strength for architectural-grade projects.







Panora Windows and Doors LLC DBA Panora Luxury