
Aluminum Large Folding Sliding Glass Doors. Lifetime Warranty Coverage: Covers mechanical defects for the lifetime of the home and is transferable to one subsequent homeowner. Customized Color and Size: Offers flexible customization options for color and dimensions to match unique project designs. High Sound Insulation: Provides 45dB sound insulation for a quiet and comfortable indoor environment. Double Tempered Glass: Features 5+27A+5mm double tempered glass for enhanced safety and durability. Energy Efficient Design: U Factor ranges from 0.22 to 0.36, ensuring excellent thermal performance. Flexible Opening Styles: Tracks can be straight, 90-degree corner, or curved for maximum design flexibility. Multiple Glass Options: Available in double tempered, triple tempered, laminated, low-e, reflective, and tinted glass. Professional Customization: Supports full customization including built-in blinds, flyscreens, and roller shutters.