Outdoor french aluminium folding bi fold wall doors uk aluminum vertical bi-folding decorative interior bifold door on China WDMAProduct Description Items Aluminum window door Measurement Can be customized Type Casement Sliding Folding Materials Aluminum profile Series 55 65 68 72 75 80 83 100 120etc. Construction Thermal Break Non Thermal Break thickness 1. 4 1. 6 1. 8 2. 0mm Surface treatment Powder coated anodized PVDF wood grain transfer Electrophoresis, etc. Color White black grey brown silver wood color etc. can be customized. Glass Glass type Tempered glass laminated