Glossary of Glass Terms← Back
ADAS – Advanced Driver Assistance Systems
Systems to help the driver in the driving process. When designed with a safe human-machine interface, they should increase car safety and more generally road safety.
A thermoplastic that resists weather and shattering, and has optical clarity.
Substance used to adhere one material to another.
Bracket made of aluminum or steel and used to fasten aluminum frames to an adjoining structure.
A process of slowly cooling hot glass to relieve internal stresses and strengthen it.
A dielectric, thin-film coating applied to an optical surface in order to reduce the optical reflectivity in a certain wavelength range.
The small, angled edge of the glass, which can be ground or polished.
A machine that employs high-pressure and heat. In the glass industry, it is used to create a laminated glass product by producing a bond between glass and a PVB, urethane or other sheet interlayers.
Window that is hinged at the top and swings out.
Back window of a vehicle.
Glass that has been painted a flat color on one side of the surface.
(Also known as bullet-proof glass, transparent armor, or bullet-resistant glass) is a type of strong but optically transparent material that is particularly resistant to being penetrated when struck. Like any material, however, it is not completely impenetrable.
Edge finishing flat glass with a beveled angle.
A truck specialized to transport glass, up to jumbo sizes.
(Also known as ballistic glass, transparent armor, or bullet-resistant glass) is a type of strong but optically transparent material that is particularly resistant to being penetrated when struck. Like any material, however, it is not completely impenetrable.
Outside finish of a curtain wall frame. Also called a “snap cover”.
A ceramic composition fused to glass through tempering.
Standard transparent glass.
A high section of wall that contains windows above eye level. The purpose is to admit light, fresh air, or both.
CNC Cutting Line
A process used in the manufacturing sector that involves the use of computers to control the line of cutting and improve precision.
Machinery used to lift and transport glass or other materials.
Non-load-bearing wall constructed of aluminum and glass.
Glass cut to a specific length and width.
The process of scoring glass with a tungsten carbide or other hard alloy wheel and breaking it along the score.
Wheeled cart used to transport glass or other materials.
Cut notches, make holes or shapes in glass, usually done with a CNC computer to automate the process.
To machine the edge of the glass to produce a high polish with a flat edge and two arisses.
Manufacturing process in which an item is made (fabricated) from raw or semi-finished materials instead of being assembled from scratch.
Process of sanding or grinding the cut edge of a glass to any of the following finishes: arrised, bevelled, furniture, polished, mitred, and ground.
Electronically altered glass
Specialty glass that can be electronically obscured.
Creating designs and patterns on glass surfaces using acids.
Fire Protection Rating
The duration for which a passive fire protection system can withstand a standard fire resistance test, such as 60 minutes, 90 minutes, etc.
A material that prevents or hinders the passage of excessive heat, hot gases or flames under conditions of use.
Thin sheet of metal, formed to a specific shape.
A general term to describe float glass or sheet glass.
Slip resistant glass that has a rubber-like patterned texture on one side.
Preformed rubber or vinyl substance used in the glazing industry.
A hard, brittle substance, typically transparent or translucent, made by fusing sand with soda, lime, and sometimes other ingredients and cooling rapidly.
Entrance ways of any size for any building.
Glass Washing Machines
Used to clean glass before tempering or final inspection.
Hardware used for hinges, rails, shower enclosures or doors to attach or allow access.
Glass that can absorb heat or solar energy.
Glass that is heat-treated or leached to remove alkali so that it withstands high heat and sudden cooling without shattering.
Glass that has been processed through a tempering furnace to alter its strength characteristics; usually flat or bent glass that has been heat-treated to have a surface compression between 3,500 and 7,500 psi (24 to 52 mpa), typically 2X stronger than annealed glass.
Insulating glass (IG)
More commonly known as double glazing (or double-pane, and increasingly triple glazing/pane), consists of two or three glass window panes separated by a vacuum or gas filled space to reduce heat transfer across a part of the building envelope.
Standard 130” X 240” sheet.
A type of safety glass that holds together when shattered; pieces are held in place by an interlayer, typically of polyvinyl butyral (PVB) or Ethylene-vinyl acetate (EVA), between two or more layers of glass.
Single piece of glass.
A type of energy-efficient glass designed to prevent heat escaping through windows to the outdoors.
Glass with a low iron content that has a higher visible transmittance and thus a greater ability to collect solar energy, offered in float or satin etch glass.
Glass with a steel sheet attached to the back of a flat glass surface making it magnetic.
Glass that has a reflective surface on one side.
A joint made between two pieces of glass at an angle of 90°, such that the line of junction bisects this angle.
Another name for annealed glass.
Metal trim that covers windshield clips.
A slender vertical member that forms a division between units of a window, door, or screen or is used decoratively.
A strip separating panes of glass in a sash.
Also called two-way mirror (or two-way glass) and semi-transparent mirror, is a reciprocal mirror that is partially reflective and partially transparent. The perception of one-way transmission is achieved when one side of the mirror is brightly lit and the other side is dark. This allows viewing from the darkened side but not vice versa.
A type of glass used to control light, obscure visual detail for privacy, or to provide decorative effects.
A solid transparent plastic made of polymethyl methacrylate (the same material as perspex or Lucite).
Grinding each edge of the glass to 45 degrees.
Window frame that has the glass installed in it before installation of the frame takes place.
Screw-applied stop on curtain wall.
Glass that has been treated with a metallic coating that allows it to reflect heat.
Carving glass surfaces using sandblasting equipment.
Glass with additional safety features that make it less likely to break, or less likely to pose a threat when broken. Common designs include toughened glass (also known as tempered glass), laminated glass, wire mesh glass (also known as wired glass) and engraved glass.
Frame holding the glass in a window and usually made to slide up and down in the grooves of a window aperture.
Glass that has been chemically treated to give it a satin or frosted finish, on one or two sides.
Make a split in the surface of the glass which encourages the glass to break along the score.
Substance applied to a surface to make it impervious or resistant to water, dirt, stains, etc.
To grind or sand the sharp edges of a piece of glass, usually with an abrasive belt, wet or dry.
Block made of rubber, neoprene, EPDM, or silicone and used to position and protect glass in a frame.
Bracket made of aluminum or steel and used to fasten horizontal frame members to vertical frame members.
Glass walls for any type of shower to create privacy or openness.
Transferring an image to the glass by pressing ink through a screen and then processing it through a horizontal tempering furnace.
Any overhead glazing.
Outside finish of a curtain wall frame. Also called a “cap”.
Removable piece of material that holds glass in place (metal, wood, rubber).
Glass and aluminum enclosure on the main part of a building, complete with doors.
Glass or glazing whose light transmission properties are altered when voltage, light or heat is applied.
A process of controlled thermal or chemical treatments that put outer surfaces into compression and inner surfaces into tension and makes the glass four to five times stronger and safer than annealed or untreated glass. As a result, tempered glass is less likely to experience a thermal break and, if it does break, it breaks into many small pieces, thereby reducing the chance of injury.
Coloring glass during the manufacturing process to reduce the transmission of light and solar energy.
Also called one-way mirror (or two-way glass) and semi-transparent mirror, is a reciprocal mirror that is partially reflective and partially transparent. The perception of one-way transmission is achieved when one side of the mirror is brightly lit and the other side is dark. This allows viewing from the darkened side but not vice versa.
Suction cups used with cranes to lift glass by producing an airtight suction.
A set of glass shelves often with cabinets or bureaus that can be variously arranged along a wall.
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