
Steel Security Door - Thickened Panel & Multi-Point Locking for Home/Business. Customizable Thickness: Thickness is fully customizable to meet specific project requirements. Diverse Color Options: Available in Blue, Yellow, Grey, or custom RAL5022/DIY colors. High Fire Resistance: Features high fire performance filling materials for enhanced safety. Excellent Sealing Performance: Equipped with polyurethane foam sealing for superior air tightness. Superior Sound Insulation: Hollow glass observation window provides effective sound reduction. Durable Stainless Steel Hardware: Door lock, handle, and key are made of SS304 for long-lasting use. Versatile Frame Design: Adapts to various complex site installations with flexible frame options. Comprehensive After-Sales Support: Feedback provided within 24 hours with professional engineering support.