Broken Bridge Push-pull Window Series

•Level 8 daylighting properties for windows.

•Level 9 Wind pressure resistance: Can withstand a Category 5 hurricane.

•Low air infiltration 0.03L/s•m2: The temperature difference between indoor and outdoor is 36 degrees.

•Level 7 water penetration: No water penetration at 450Pa.

•Sound insulation rating: 40db. •Ultimate strength test pressure: 4000Pa with no collapse.