GemCharm GCM-92 High Quality Aluminum Alloy Garage Door Roll Up Roller shutter door on China WDMA Sliding Window 3)Good air and water tightness

3)Good air and water tightness property due to there is EPDM sealing strip around the frame

Any sizes and models and colors can be made

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GemCharm GCM-92 High Quality Aluminum Alloy Garage Door Roll Up Roller shutter door on China WDMA Sliding Window 3)Good air and water tightnessOEM Servise Our door panels are smooth and mirror like, reducing dust buildup. We can provide any color and pattern customization. Model GCM92 Thickness 8mm Material High quality aluminum alloy Surface treatment of door panels Galvanizing process, electroplating process, powder coating, anodizing, electrophoresis, etc.