Sandwich Panel Garage Door
The material of the door is galvanized steel plate with beautiful cast square grid and venation. The final processing to the door surface is polyester technics. The door surface have rich colors and luster.
The rail are made by galvanized steel plate with two lifting ways: Standard lifting and low net distance lifting. Several types of door operators for choice with manual, electric and remote control function.
Safe protection: The door has the function that it will rebound when the resistance is exceed 5kg, its response time is less than 2 seconds.
Vertical industrial sectional door general specification:
Door board material: Galvanized steel board
Filled inside: Polyurecthane
Thickness of door board: 42-55mm
Sandwich panel garage door picture: