Plastic bifold door can used for interior or exterior while water-proof design adopted. PVC folding doors are designed to enhance interior efficiency through smart space management. Made from high-quality PVC materials, they provide durability, moisture resistance, and easy maintenance. The folding mechanism allows compact storage of panels, making them ideal for areas with limited space. With clean lines and customizable options, PVC folding doors deliver both practicality and modern appeal. series: 72 series PVC opening style: FOLDING Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor ≤ 0.3 SHGC ≤ 0.23