Single-Hung Window

Related terms

• Sash

  The framed, often movable panel that holds the glass within a window. Double-hung windows have an upper and lower sash.

• Skylight

  A roof-mounted window for daylight and sometimes ventilation. Flashing and curb detailing are critical to prevent leaks.

• Sill Pan

  A waterproof tray at the base of a window rough opening that catches and drains any water that gets past the window to the exterior.

• Slab Door

  A door sold as just the panel, with no frame or hinges — used to replace a door in a sound existing jamb.

• Sill

  The horizontal bottom member of a window frame, sloped to shed water away from the building.

• Slider Window

  A window where one or both sashes slide horizontally. Simple, economical, and good for wide openings with limited projection space.

• Sidelite

  A fixed narrow glazed panel beside an entry door that adds light and a wider, grander look.

• Sliding Patio Door

  A large glazed door where one panel slides past a fixed one. Space-efficient (no swing) with a big glass area; rollers and tracks need ma…