What rail systems are available for sectional overhead doors?
Prido sectional overhead doors are available in seven rail systems adapted to space and application: T240 (low lift), T340 (standard low lift), T400 (high lift), T400 hF (high lift with drop spring), T450 (standard lift), T500 (vertical lift) and T500 hF (vertical lift with drop spring). Maximum width is 6,500 mm for T240 and T340.