Glossary for Sliding Door Fittings

BI-Fold system - A support system for 2 panels folding to one side of an opening, also used as a generic term for any folding door gear.

Bi-Parting doors - A term to describe a pair of sliding doors that meet in the centre of an opening and then open to opposite sides.

Bottom roller - Grooved wheel fitted to bottom edge of door to match bottom rail. Designed to carry door mass (weight). Requires top guide system to control doors and retain them in vertical position. Two are required for each door.

Bottom rolling - Either a sliding or folding system where the weight of the doors is supported on bottom rollers. Door mass (weight) carried on rollers running on bottom rail set in floor. The top of the door having guide system only.

Bottom track - Steel, stainless steel, brass or aluminium profile to accommodate bottom roller.

Brackets - Component used to secure top track or top guide channel to structure above door opening. Various designs for soffit or face fixing. Open, closed or jointing versions.

Channel - Steel, brass or aluminium profile in various lengths providing running surface for top or bottom guides.

Clear threshold guiding - A floor or wall mounted system for top hung sliding doors that does not intrude into the walkthrough area. Only suitable for doors up to 1500mm wide.

Communicating doors - Doors providing access between two rooms.

Continuous guiding - System used for large or frequently operated sliding doors to guide it at the bottom. A floor mounted channel is used with a pair of guides on the bottom of the door.

Flush bolt - Fits flush to door face. Therefore offering no obstruction when door slides.

Flush pull/handle - Fits flush to door face. Therefore offering no obstruction when door slides.

Guide - Used to control bottom edge of top hung sliding door to protect door and hardware from damage. Also used to control top of doors fitted with bottom rolling gear.

Guiding - A term used to describe the system used on all sliding and folding systems that allows the doors to move smoothly and prevents lateral movement.

Hanger - Fitted on top of door. Wheels run in top track and carry mass (weight) of door. Two required per door (on straight sliding systems), provide vertical and lateral adjustment.

Infront - A sliding system where the doors and sliding mechanism are installed inside a cabinet.

Lateral adjustment - Feature of hangers used for top hung doors that allows doors to be moved closer to or further away from the face of the lintel or wall.

Lintel - Load bearing building component that spans opening. Supports structure above opening and top hung sliding doors.

Locks/Latches - Sliding door locks and latches having hook or claw bolt action to secure door against striking plate.

Mixfront - A sliding system where the panel overlays at the top and is inset at the bottom or vice versa.

Parking area - A term used to describe the space where doors on a slide stack system move into when opened.

Pivot sliding system - A mechanism used for cabinet doors that allows a door to pivot and then slide back into the cabinet.

Planfront movement - A sliding option for cabinet and full size doors that allows a door to slide from behind a fixed panel and close next to it.

Pocket door - A sliding door that slides into a pocket or cavity so the doors appears to disappear into the wall.

Pocket sliding door sets - Complete set of a sliding system and stud framework to allow doors to be installed which slide into the wall.

Retractable guide bolt - Flush mounted door bolt with roller to end of shoot which runs in guide channel to control door. Withdrawing bolt enables door to be easily removed from opening.

Side fixed track - Top track of a sliding or folding system mounted directly onto a wall.

Slide stack system - A top hung system for multiple sliding panels which create a flush partition and can then be moved individually to a parking area clear of the opening.

Sliding shutters - Window shutters on a top hung straight sliding system used to optimise solar gain and minimise solar overheating.

Soffit - Underside of lintel or structure above opening.

Soffit fixed track - Top track of a sliding or folding system which is mounted directly to a support in the ceiling.

Soft close - A mechanism for sliding doors that gently slows the sliding doors before drawing them to a stop.

Symmetric sliding system - A mechanism that links a pair of bi-parting panels to allow them to open simultane- ously.

Symmetric/Simultaneous operation gear - Used as an addition to two sets of bi-parting sliding door. Operating one door causes the other to move equally in the opposite direction by using steel cord and pulleys.

Telescopic sliding doors - A mechanism that links two or more sliding doors and allows them to slide from the same side simultaneously to rest in a staggered position across the opening.

Top hung - A term to describe a sliding or folding system where the weight is supported by trolley hangers at the top of the door.

Top hung doors - Suspended from top tracks and fitted with bottom guide system.

Top track - Steel or aluminium profile in various lengths providing load bearing surface for hangers carrying doors to run on. Fitted to structure above doors.

Vertical adjustment - Feature of hangers used for top hung doors that allows doors to be raised or lowered, to set them vertically and give required ground clearance.

Vorfront - A sliding system where the panel overlays a cabinet at the top and the bottom.

Wall/Floor stop - Strong bracket, usually with rubber buffer fitted, attached to wall or floor to limit door travel within track system. Vital for protection of hardware and safety.