Commonly used terms, and abbreviations.

(Ref. ‘A Glossary of Building & Planning Terms in Australia’, National Committee on Rationalised Building, National Capital Development Commission.)


As Viewed From Outside – when drawing the window for manufacturing, the view taken is from outside.


Dressed All Round i.e. timber dressed on all four sides


Double Glazed Unit

Door Frame

The frame which carries the door

Door jamb

The two vertical members of the door frame


A glazed sash above a transom in a door frame


Stays Clas. Window hardware. In lieu of butt hinges, friction stays used in awning or casement windows allow the sash to operate similarly to having normal hinges, but the hinge stile comes away from the frame. The friction stays will hold the sash firm against wind loads.


Bar Narrow timber rebated and profiled connected to the stiles and rails within the sash to create smaller glass areas, lights.

Glazing Bead

Small timber mould to secure glass in the sash Hardware Hinges, latches, catches, fasteners, locks, stays, etcetera having in common their metal base, hence ‘hard wares (goods)’. see ‘Operational Hardware’


The topmost horizontal member of the door or window frame


The profiled extensions of the sash stiles of double hung windows, or the extensions left on the sill for final site fitting.Inlay mould


see Door jamb


A door formed by fixing boards vertically to horizontal members (the ledges) between the stiles.

Ledged & braced

A ledged door with diagonal bracing between the ledges. The bracing transfers the load to the hinge stile.


The singular glazed space in a sash or door. A sash with glazing bars will have more than one light.

Mortise & tenon

The mortise (female) recess or pocket cut into the stile, to receive the tenon (male) extension of the rail.


An intermediate vertical member of a door or window frame or Muntin The intermediate vertical member within a door, parallel with the stiles.


Not To Scale


A convex moulding within a quadrant (quarter circle)


The flat area between the stiles and rails and mullions.

Parting Bead

Small timber (19 x 13) between the upper and lower sashes of a double hung window.


The horizontal members of a sash or door.


A right angle recess within a frame or jamb to receive the closing door or sash.


The thickness of wall from the wall face to the door or window frame.


The window member housing the glass.

Sash Cord

Hemp or twine connecting the sash to the counterweight in a box frame double hung window.

Sash Lift

The hardware fixed to the lower sash of a double hung window to enable lifting or raising the sash.

Sash Fastener

The hardware which will fasten the sash in an open or closed position


The bottom horizontal member of the window or door frame. Usually a hardwood.

Spiral Balance

The window hardware to support the glazed sash and enable the sash to slide vertically, in a double-hung window.


A beveled profile on the inside face of sash stiles and rails


The vertical side member of a sash or door.

Stop Bead

Timber bead to secure a fixed or moving sash within the frame.

Stopped Tenon

A tenon which stops within the stile and is not expressed on the outside.

Storm mould

Timber mould of various profiles fixed to the window or door frame to close the gap between the frame and the wall at the reveal.


An intermediate horizontal member of a door or window frame.


Unless Noted Otherwise.