Comprehensive Sliding Glass Door Terms and Definitions

Active Panel: The sliding panel of a sliding glass door that moves to open and close.

Adjustment Screw: A screw used to adjust the height or alignment of the sliding glass door panel.

Aluminum Track: The track made of aluminum that the sliding glass door moves along.

Astragal: A vertical strip attached to one of a pair of double doors to seal the gap between them.

Ball Bearing Roller: A type of roller with ball bearings for smoother operation and increased durability.

Bottom Track: The track at the bottom of the sliding glass door that guides the movement of the door.

Bypass Door: A sliding door system where two or more doors slide past each other on parallel tracks.

Cam Lock: A locking mechanism that uses a rotating cam to secure the door.

Casement: A window or door frame that is attached to the structure with hinges.

Cavity Slider: A sliding door that slides into a cavity within the wall.

Cladding: A covering or coating on the exterior of a door to provide additional protection and enhance appearance.

Concealed Track: A track system that is hidden from view, providing a cleaner look.

Counterweight: A weight used to balance and assist in the smooth operation of a slidingdoor.

Cremone Bolt: A type of locking mechanism with a vertical rod that engages at the top and bottom of the door frame.

Cylinder Lock: A lock with a cylinder mechanism, often used for additional security.

Damper: A device used to slow down and cushion the closing of a sliding door.

Divided Lite: A door design with multiple small panes of glass separated by muntins.

Door Catch: A device that holds a sliding door in the closed position.

Door Frame: The structure that surrounds and supports the sliding glass door.

Door Handle: The handle used to open and close a sliding glass door.

Door Jamb: The vertical parts of the door frame where the door is mounted.

Door Roller: The wheel or roller that allows the sliding glass door to move along its track.

Door Seal: Material used to seal the edges of the door to prevent drafts and improve energy efficiency.

Double Glazing: Two layers of glass with an air or gas-filled space between, providing better insulation.

Edge Pull: A recessed handle that allows the door to be pulled open from its edge.

Energy Star: A certification indicating that a product meets energy efficiency guidelines set by the Environmental Protection Agency.

Espagnolette: A locking mechanism that operates a series of rods to lock the door at multiple points.

Exterior Sliding Door: A sliding glass door that leads to the outside of a building.

Fixed Panel: The stationary panel of a sliding glass door that does not move.

Flush Pull: A handle that sits flush with the surface of the door, providing a sleek look.

Frosted Glass: Glass that has been treated to have a frosted appearance, providing privacy while allowing light to pass through.

Glazing Bead: A strip that holds the glass pane in place within the door frame.

Grille: A decorative grid that divides the glass into smaller panes.

Handle Set: The complete set of handles, locks, and other hardware for a sliding glass door.

Head Track: The top track that guides the sliding glass door.

Heavy-Duty Roller: A stronger, more durable roller designed for heavier sliding glass doors.

Insulated Glass: Glass with multiple layers to improve energy efficiency and reduce noise.

Interlock: The area where the sliding and fixed panels meet, often with a mechanism to lock them together for security.

Keyed Lock: A lock that requires a key to operate, providing additional security.

Laminated Glass: Glass with a plastic interlayer that holds the glass together if it breaks, providing safety and security.

Lift and Slide: A sliding door system where the door lifts slightly off the track to slide open, providing a tighter seal when closed.

Low-E Glass: Glass with a coating that reduces heat transfer, improving energy efficiency.

Magnetic Catch: A magnetic mechanism that holds the sliding glass door closed.

Mortise Lock: A lock mechanism that is installed within a pocket in the door.

Multi-Point Locking System: A locking system that secures the door at multiple points along the frame.

Muntin: A bar that separates and holds panes of glass in a door or window.

Noise Reduction: Features or materials that reduce the amount of noise entering through the door.

Ogee: An S-shaped curve often used in molding profiles for decorative effect.

Palladium Door: A sliding glass door with a curved top, often used in high-end or custom designs.

Panel: The flat or raised sections of a sliding glass door.

Patio Door: Another term for a sliding glass door, typically leading to a patio or deck.

Pocket Door: A sliding door that slides into a pocket within the wall, hidden when open.

Pull Handle: A handle used to pull a sliding door open.

Rail: The horizontal parts of a sliding glass door frame.

Recessed Track: A track that is set into the floor, providing a seamless transition between rooms.

Reeded Glass: Glass with a textured surface, providing privacy while allowing light to pass through.

Roller Assembly: The complete set of rollers and housing that allows the sliding door to move.

Safety Glass: Glass that is treated to be safer if it breaks, such as tempered or laminated glass.

Screen Door: A door with a screen to allow ventilation while keeping insects out, often used with sliding glass doors.

Security Bar: A bar placed across the sliding door to prevent it from being opened fromthe outside.

Side Lite: A narrow window located next to a sliding glass door.

Sliding Panel: The part of the sliding glass door that moves to open and close.

Sliding Track: The track that the sliding glass door moves along.

Soft Close: A mechanism that gently slows and closes the sliding glass door to prevent slamming.

Solar Heat Gain Coefficient: A measure of how much solar radiation passes through the door, affecting indoor temperature.

Spacer Bar: A bar that separates panes of glass in double or triple glazing.

Stainless Steel Track: A durable track material that resists rust and corrosion.

Stile: The vertical parts of a sliding glass door frame.

Tempered Glass: Glass that has been heat-treated to be stronger and more resistant to breakage.

Threshold: The bottom part of the door frame that sits on the floor and provides a transition between the interior and exterior.

Tinted Glass: Glass that has been treated to reduce glare and heat from the sun.

Top Hung: A sliding door system where the door is suspended from the top track, reducing friction and providing smoother operation.

Track: The guide that the sliding glass door moves along.

Transom Window: A window above a door, often used to allow additional light into a room.

Triple Glazing: Three layers of glass with air or gas-filled spaces between, providing superior insulation.

Two-Track Sliding Door: A sliding door system with two parallel tracks, allowing multiple panels to slide.

U-Channel: A channel-shaped track used for guiding sliding glass doors.

Weatherstripping: Material used to seal the gaps around a sliding glass door to prevent drafts and improve energy efficiency.

Wood-Clad Door: A door with a wood exterior and a different material core, offering the look of wood with enhanced durability.

Z-Bar Frame: A type of door frame with a Z-shaped cross-section, providing strength and support.