As global construction trends move toward energy efficiency, KDSBuilding aluminum storefront doors lead the way with thermal performance and eco-friendly design. Each door can be equipped with thermal break technology and energy-saving glass, reducing heat transfer and improving indoor comfort. Certified under NFRC standards, KDSBuilding aluminum doors meet international requirements for insulation and sustainability. Their lightweight yet strong structure allows for large glazed panels without compromising energy performance. From retail buildings to modern office complexes, these doors help architects and developers meet green building targets while maintaining contemporary style. Choosing KDSBuilding means investing in doors that combine durability, energy efficiency, and environmental responsibility. series: 55 series thermal break aluminum opening style:  casement  Color: black Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23 Visible Transmittance :  0.41 Air tightness :  0.15 Nail Fin Design  :  NO Door Screen :  no Grille design : no

Aluminum fixed windows are designed to provide maximum daylight and unobstructed views. Built with high-strength aluminum profiles, they offer excellent structural stability and long-term durability. As non-opening windows, they deliver superior air and water tightness, making them ideal for facades, curtain walls, and feature windows in modern buildings. series: 55 series thermal break opening style: non opening Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

KDS supply aluminum folding door 34. Aluminum folding doors from KDSBuilding provide a practical solution for connecting indoor and outdoor areas. The door panels fold neatly to the side, allowing unobstructed openings and enhanced airflow. Combined with tempered or laminated glass, the door system offers safety, durability, and a contemporary architectural look. series: 80 series thermal break opening style: folding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

After adding sound insulation materials, the sound insulation function of aluminum alloy doors and windows is greatly enhanced. This aluminum casement door system emphasizes durability, safety, and comfort. High-quality aluminum profiles offer strong wind resistance, while premium hinges ensure stable operation. Large glazing areas improve natural lighting, and advanced sealing systems enhance thermal and acoustic insulation performance. series: 112 series thermal break opening style: Casement Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

Aluminum profile can be customized , both thermal break and not thermal break Aluminum casement doors are designed to meet high performance and aesthetic standards. The robust aluminum frame resists corrosion and deformation, even in harsh environments. Smooth hardware operation, tight sealing, and customizable finishes make them ideal for villas, apartments, and commercial buildings. series: 100 series thermal break opening style: Casement Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

Low e soundproof aluminium double sliding doors as what it means , it has the low e glass, alse you can choose other glass This aluminum sliding door combines sleek design with reliable functionality. The robust aluminum frame ensures long-term structural stability, while precision rollers enable effortless operation. With options for single, double, or multi-panel configurations, it enhances ventilation and visibility while maintaining excellent weather resistance and low maintenance requirements. series: 60 series thermal break opening style: sliding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

Grill window and door include aluminium glass sliding door with elegant grill in double glasses. Aluminum sliding doors offer a perfect balance of style, strength, and convenience. The corrosion-resistant aluminum frame supports large glazing sizes without deformation. Advanced track systems ensure quiet and smooth movement, while tight sealing improves insulation and water resistance, making them ideal for balconies, gardens, and terrace entrances. series: 60 series thermal break opening style: sliding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

These high-end,luxury  aluminum bifold exterior doors  provide a multi-point locking system which increases security. Engineered for modern lifestyles, aluminum folding doors offer smooth operation, strong structure, and stylish appearance. The folding panels provide flexible opening options, while durable aluminum profiles ensure resistance to corrosion and deformation. Suitable for both residential and commercial buildings, the system delivers long-lasting value. series: 73 series thermal break opening style: folding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23