Prehung Door

Related terms

• Hinge (Door)

  The pivoting hardware carrying the door's weight; ball-bearing hinges are specified for heavy or high-use doors.

• Jamb

  The vertical side members of a window or door frame that the unit is mounted within.

• Rough Opening

  The framed gap left in a wall to receive a window, door, or unit, sized slightly larger than the product to allow shimming and squaring d…

• Slab

  A poured concrete floor or foundation surface. Moving plumbing in a slab-on-grade home means saw-cutting and patching concrete — a signif…

• Rail

  The horizontal members of a sash; the check/meeting rail is where two sashes overlap in a double-hung window.

• Pocket Door

  A door that slides into a cavity inside the wall, saving the floor space a swing would consume. Requires a special framed pocket during r…

• Roof / Tubular Skylight

  A small reflective tube channeling daylight from a roof dome into a room below — economical daylighting where a full skylight won't fit.

• Picture Window

  A large fixed (non-opening) window that maximizes view and light. Most energy-efficient type because there is no operating gap to leak air.