Technical Info / Folding

Centor has a hardware system for any application, including internal and external, top-hung and bottom-rolling, commercial and residential. Compare all our systems and find all the technical information you need by clicking on the system name in the tables below or menu to the left.

SPECIFICATIONS F3 E2 E2i E3 E4
Max opening width  52' 52' 26' 52' 57' 7"
Max panel weight  176 lbs each 90 lbs each 90 lbs each 220 lbs each 265 lbs
Max panel height  9' 10" 9' 10" 9' 10" 9' 10" 13' 1"
Max panel width  3' 3"  3' 3" 3' 3" 3' 3" 3' 7"
Min panel thickness  1 3/4"
(45 mm)
1 3/8"
(35 mm) 
1 3/8"
(35 mm) 
1 3/8"
(35 mm) 
1 3/4"
(45 mm) 
Max number of panels*  8L + 8R  8L + 8R  4L + 4R  8L + 8R  8L + 8R 
Loading  bottom rolling top hung  top hung  top hung  top hung 

*L = left, R = right 

FUNCTION F3 E2 E2i E3 E4
Internal applications
External applications
New building
Large-scale renovations
Small-scale renovations