
Horton Automatics, a division of Overhead Door Corp., offers ProSlide series 2021 belt drive slide doors. The doors have a 4 1/2-inch by 7-inch header capable of handling panels to 250 pounds in bi-parting systems and 300 pounds in single slide systems. Additionally, ProSlide series 2021 belt drive slide doors have an adjustable astragal with a double weather seal in the lead rail of the sliding door panel to control condensation and air infiltration.




