Atlas 250 roof garage doors are manufactured in the desired dimensions for openings up to 4m width and height of up to 2.5m and in any RAL color of your choice. Double aluminum cover with 40mm thick polyurethane insulation provides excellent sound and thermal insulation for your space. . The door drive process is via a toggle mechanism (bracket) and not with drivers, thus eliminating friction and noise. The fillets are placed at the end of the door system to fill the gaps between the door and the goal, giving the perfect aesthetic result.