
Main Entrance Large Double Exterior Glass Doors Soundproof Security Sliding Glass Doors. Lifetime Warranty: Two lifetimes of worry-free coverage, transferable to subsequent homeowners. Sound Insulation: High-performance sound insulation rating of 45 dB for quiet living. Customization: Customized veneer wood, color, size, and profile thickness available. Energy Efficiency: U Factor ranges from 0.22 to 0.36 for superior thermal performance. Space Saving: Sliding design offers flexible room arrangements and more usable space. Natural Light: Large glass panes allow abundant natural light and unobstructed views. Security Rating: Rated Security Rating A for enhanced home safety and protection. Professional Support: Expert guidance for selection, measurement, and installation supervision.