WELCOME TO BIS DOORS LTD
SLIDING/FOLDING DOORS
 

Construction
Comprises galvanised steel collapsible gate having vertical pickets interconnected by rectangular steel bars acting on the lazy tong principle. Leaves 305 wide (12”) arranged in pairs hung from the front of each picket are hinged to adjacent leaves providing a heavy duty horizontal folding door assembly.
The door complete suspended from a lintel mounted heavy duty rolled steel top track by double rollers fitted to alternate pickets. Guide Spigots at the base of each picket locate in a substantial floor track. The whole
door assembly fabricated from galvanized steel.
Operation
Doors can be arranged to bunch to either one or both sides of an opening. The unfixed vertical edge of any section being fitted with a rebated lead post assembly to which internal and external operating handles are fitted.
When power operated, a geared electric motor with torque limiter drives an endless chain running parallel to the overhead track and coupled to the leadpost. Control of power operation is provided by push button operated switches with alternative remote systems being available if required.
Security
Padlocking facility fitted inside and outside. An alternative lever lock system can be incorporated.

2002 © BIS DOOR SYSTEMS LTD