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 storefront doors have become the signature of modern commercial architecture. With their sleek appearance, light weight, and corrosion resistance, they perfectly match today’s glass façades and open-space concepts. KDSBuilding’s aluminum storefront systems offer superior durability and smooth operation, ideal for offices, malls, and retail shops. The aluminum frame allows wide glass panels that maximize visibility and natural light, creating an inviting atmosphere for customers. Available in various finishes—powder-coated, anodized, or custom colors—these doors enhance both the exterior design and long-term performance of any building. Combining strength, beauty, and low maintenance, KDSBuilding aluminum storefront doors are the perfect solution for architects and developers seeking a modern and reliable entry system. 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