Sliding

The garage sectional sliding doors, just like the ordinary sectional garage doors are made of "sandwich" panels with a thickness of 40 mm. They consist of two sheets of galvanized steel, connected by an internal layer of polyurethane foam injected with high density, which ensures thermal isolation K <= 0.40 kcal / mlh ° C. The difference between them and sectional doors is that this type of doors slide away from the opening.
Insulated sectional garage doors sliding open the side of the road and follow the walls. The lack of a balancing mechanism makes them extremely reliable and easy to maintain.