Sliding Patio Door

Related terms

• Smart Lock

  An electronic deadbolt with keypad, app, or auto-unlock control. Adds convenience and access logging; needs battery maintenance.

• Slider Window

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

• Solid-Core Door

  An interior door with a dense composite core for better sound dampening and a quality feel. A common worthwhile upgrade for bedrooms and…

• Slab Door

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

• Solid-Wood Door

  A door built from solid lumber or stave-core, the premium traditional construction; can move seasonally with humidity.

• Skylight

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

• Spacer

  The bar separating the panes of an insulated glass unit. 'Warm-edge' spacers reduce edge heat loss and condensation.

• Single-Hung Window

  A window with two sashes where only the bottom sash slides up to open; the top is fixed. The economical traditional double-hung alternative.