Auto Glass Terms

Auto Glass Terms

Auto glass repair is a complex process, and there are a number of different components, tools, and concepts that an auto glass technician or installer must understand. Below are a sampling of the most important terms and concepts in the windshield repair industry.  Also, when it comes to windshields and windshield replacement, understanding the terminology is just one step in the process of choosing a windshield. There are a number of different terms to know, not all of which are intuitively obvious. Here are just a few important windshield-related terms.

Accelerated Aging – Lab conditions that, in time, are meant to recreate the outcomes and effects of normal aging. Some of the typical factors include water, oxygen, light and temperature.

Acetone – This a soluble and flammable liquid that is created from the bacterial fermentation of either carbohydrates or alcohol. It is utilized as a general solvent in varnishes and paints. It is also utilized in chemical manufacturing.

Acute Area – The section of windshield right before a driver’s eyes. This section starts right above the car’s steering wheel. It is around 8 inches in height and 11 inches in width, and it forms the basis for a driver’s so-called critical vision area, which is an important concept to many insurance companies and auto glass repair shops in the U.S.

Adhesion – Adhesion is the term used to describe what happens when two materials, especially materials that are dissimilar in chemical structure, adhere to one another.

Adhesive – An adhesive is a term used to describe any product, natural or synthetic, that creates a surface bond between two objects. In auto glass replacement, an adhesive bonds the aftermarket replacement windshield to your vehicle.

Adhesive Failure – The failure of the adhesive material or even the pulling loose at the substrate’s surface. It’s almost like Scotch tape that peels off of a plastic substrate.

Adhesive System – Also known as a retention system, an adhesive system refers to the combination of different substances found in an adhesive that help to promote adhesion.

Aerodynamics – This is the branch of physics that is concerned with the movement of a solid body through gas and air.

Anneal – This is a reference to the controlled process of making glass more powerful and less brittle by first heating and then cooling.

AGRSS – An acronym for the Automotive Glass Replacement Safety Standards Council, which is a non-profit organization that was founded by auto glass replacement companies. The AGRSS promotes safe and responsible auto glass replacement practices.

American National Standards Institute (ANSI) – A private non-profit foundation dedicated to developing and promoting a voluntary standards system in a wide array of industries.

ANSI – An acronym referring to the American National Standards Institute.

Anti-Lacerative – A windshield or piece of auto glass that contains a layer of poly vinyl butyrate, also known as PVB. Anti-lacerative glass suffers fewer lacerations in a collision.

Anti-Theft Vehicles – Vehicles that feature an anti-theft security device or break-resistant glass (known as laminated tempered glass).

A-Pillar – A vertical support for a car’s roof. Located adjacent to the windshield.

AS Designation – An auto glass evaluation and grading tool. Shorthand for the American National Standard for Safety Glazing Materials for Glazing Motor Vehicles and Motor Vehicle Equipment Operating on Land Highways-Safety Code.

Batch – The set of raw materials used in the glass manufacturing process. The primary ingredients in automotive glass are limestone, soda ash, sand, and dolomite. The ingredients are mixed, melted, and then cooled.

Bead – The continuous extrusion of a material to a surface. Adhesive beads are used for attaching automotive glass to the vehicle’s metal frame.

Belt Molding – A type of reveal molding that is found at a vehicle’s beltline.

Bezel – This is a decorative, tapered and curved cover that is located right behind the latch of the door or in a door well’s pull.

Blind Set – The process of placing a glass component into its setting without the ability to see the point where the glass and the adhesive bead meet. Often a result of the pre-application of decorative trims or moldings.

Block Size – The size of a piece of glass, expressed in tenths of an inch, as measured at the widest points vertically and horizontally.

Bond – This is simply the connection at an interface between the adhesive or sealant and the substrate.

Bonded Part – A part that has attachments, molding, or housing as built-in components. These additional components are attached to the primary part using adhesive, pressure, or a mechanical attachment.

Bonding Chain – A term used to describe the chain of links that is formed when auto glass is bonded to its frame.

Bonding Edge – The edge of the piece of auto glass that will receive adhesive treatment and be bonded to the auto body. The bonding edge is usually on the interior side of the glass.

B-Pillar – A vertical support for a car’s roof. Located directly behind the driver’s window.

Bruise – A small crack in a windshield. Usually starts from a chip on the windshield’s edge.

Bug – A logo or trademark found on automotive glass that lists manufacturer information. Usually applied with paint or via sandblasting.

Bug/Logo – A set of information that includes the manufacturer’s logo and trademark, as well as a coded string of digits.
Buss Bars – Metal conductors found in heated back glass. Two buss bars deliver electrical current through a tin oxide coating inside the glass, causing the glass to heat up.

Butyl – Also known as a Tape Kit, butyl is a petroleum product that serves as a non-curing adhesive. Butyl is capable of enduring lap shear between 15 and 30 psi.

Ceramic Frit – A band of ceramic paint that is baked onto the edge of automotive glass.

Channel Packing – Also known as Tuff-Pac. A rubber or cork material that serves as packing material for pressure fitting glass to a lower glass channel.

Chemical Cure – This is curing by way of chemical reaction. Much of the time, this normally includes the cross-linking of a polymer.

CHMSL – Pronounced “chim ‘sel”; an acronym for Center High Mounted Safety Light. An eye-level brake light that is often integrated with back lite. All consumer vehicles manufactured since 1987 have a CHMSL, as mandated by federal law.

Clip Kit – A set of clips that are packaged and sold for use on a specific vehicle glass replacement. Contains the exact number of clips required to replace all molding retainers, but does not contain other panel retainers that may be required to complete the installation.

Clips – Clasps or fasteners that keep the reveal and garnish moldings in position.

Close-Cut Installation – This is an installation technique that is characterized by much of the already present adhesive-bead bed being left stuck to the metal frame while a tiny, new bead of adhesive gets added to put the glass in its place.

Coated Glass – Coated glass is glass where a chemical film has been applied to the surface. This film can offer improved performance attributes like mirror effects, privacy and solar.

Cohesion – This is the capability of either a sealant or an adhesive to be able to hold itself together. This is the internal strength of either a sealant or an adhesive.

Contaminant – This is either a solid substance or a liquid that is present within a break. This has to be removed before a windshield can undergo repairs.

Convex – The side view mirror.

Convex Mirror – A mirror with an outward curve that is designed to provide a wide field of view. Federal Motor Vehicle Safety Standard 111, passed in 1998, mandates that the outside passenger mirror on any vehicle must be a convex mirror, as this gives the driver a wider field of view.

Corrosion – This is the chemical reaction referred to as oxidation. It involves, moisture, corrosive materials or air on a surface. It’s also the process of dilapidating the surface of a solid.

Cosmetic Blemish – This is a defect in the looks of a vehicle. This can include ripped upholstery, resin spills and even scratched paint.

Cowl Panel – A panel that extends from the lowest part of the windshield down to the hood. Covers the windshield wiper motor and rain drains.

Cowl – A drain that is situated right on top of the firewall. This is where the windshield wipers collect rainwater.

Cullet – Recyclable glass that is created as a by-product of glass manufacturing. Typically crushed and melted for re-use.

Cure – The chemical process through which an adhesive is hardened.

Cure – The chemical process through which an adhesive is hardened.

Cure Time – The amount of time necessary for an adhesive or material to harden or dry at a given temperature. Cure time will vary depending on the type and thickness of the material or adhesive.

Cutout – The process of cutting out and removing a damaged windshield that cannot be repaired.

C-Pillar – This is a support for your roof that can be found on each side of the vehicle, right behind the backseat. The back glass’ sides may even be bonded to the C-Pillar.

Dam – A spacing material with multiple uses. Often used to prevent liquid adhesives from entering the passenger compartment. Can serve as a spacer to hold the glass in the pinchweld. A dam is also an effective barrier for reducing exterior noise from the engine and other vehicles.

Damage – Damage occurs when there is a break in the laminated glass.

Decking – The process of applying firm, gentle pressure to the edges of the glass in order to form a seal. Typically done by hand.

Delamination – A phenomenon that occurs when the glass and the un-bonded vinyl inner layer become separated.

Delamination – The separation of the interior glass surface from the PVB, causing clouding or bubbles to appear.

Department of Transportation (DOT) Number – A coded number applied to a part that identifies that part’s manufacturer. Federal law mandates that an auto glass bug must contain the manufacturer’s DOT number.

Ding – This is a non-technical term. It is a reference to damage that can be found on the laminated glass.

Distortion – An anomaly in auto glass that results in a wavy or rippled appearance or other visual blemish.

Diversion Bars – Vertical guide bars that separate the vent glass from the movable door glass.

Doorframe – This is part of a vehicle that features both an interior and exterior panel that is home to the door window as well as the actual mechanism that the occupant uses to operate that window.

Door Glass – Glass that is attached to a vehicle door. Also known as doorlite. Typically attached to a mechanical apparatus that allows the glass to move.

Door Panel – The panel that covers the door frame.

Dot Matrix Pattern – A graduated paint band style. Typically applied around rear-view mirrors to prevent glare from sunlight.

Drag Coefficient – This is the mathematical expression that represents the retarding force that air imposes on a body.

Drilling – This is a reference to the use of a drill to obtain access to a tight break.

Drip Rails – Also known as rain gutters. A type of molding or trim that runs along the entire length of the vehicle’s roof and deflects water from the doors.

Drive-Away Time – The timeframe after a glass repair or replacement during which you may not use your vehicle. Following a repair, your car must stay out of service until the auto glass can work as a safety device.

Drop Cloth – Also called a hood cover or fender cover, a drop cloth is a blanket that glass installers use to protect the finish on the car’s body during a glass installation.

Dry Fit – This is a process by which a technician positions the glass in the glass opening of the vehicle prior to applying either primer or adhesive. This process will be used to set the glass as well as mark the position via tape or markings.

Dry Set Procedure – A glass placement procedure wherein the glass part is placed into the vehicle before adhesives are applied to the frame.

E Coat – An anti-corrosive coating applied to the body of the vehicle via electroplating. The “E” denotes electro-deposition coating or etching coat/primer.

Elasticity – Elasticity refers to the capacity of any given material to come back to its original shape after the elimination of a load.

Electrochromic – A technology found in rearview mirrors. Electrochromic technology uses electrically charged gel to darken the mirror glass and reduce glare.

Electronic Data Interfacing (EDI) – EDI is a computerized administrative system offered by banks, financial institutions, and other providers that allows clients to pay invoices via electronic means.

Elongation – Refers to the point at which a cured material experiences cohesive failure when stretched. Often expressed as a percent of normal.

Encapsulated Glass – Glass components that are encased in plastic frames. Typically, the plastic frame is injection molded to fit the glass. Encapsulation frames may contain clips, fasteners, or gaskets.

Exposed-Edge Glass – A type of automotive glass that has no protective trims around the edges.

Fastener – A clip or other device used to attach two items.

Fast-Cure Urethane – This is an adhesive that cures quicker than usual. The surrounding humidity as well as temperature decide the actual rate.

Federal Motor Vehicle Safety Standards – This is a series of standards demanded from vehicle manufacturers by the federal government. Each new model of vehicle has to satisfy these standards if its manufacturer wants to sell it in the U.S.

Fender Cover – Also referred to as a drop cloth or hood cover. A blanket that protects a vehicle’s finish during the process of glass installation.

Filler Strip – Also referred to as a locking strip. A strip that is placed in a rubber gasket after glass installation. Places pressure on the gasket, forming a seal that prevents the glass from moving.

Flammable – A flammable gas or liquid is any gas or liquid that features a flash point of 38 degrees Celsius or 100 degrees Fahrenheit.

Flat Laminated Glass – Laminated glass that can be cut to fit several openings. Typically sold in sheets.

Float Glass – A glass manufacturing procedure whereby molten glass is fed into a float bath.

Flexing – This is a technique of getting access to a tight break through flexing the glass one way and then the other, either with a tool or empty-handed.

FMVSS – An acronym for Federal Motor Vehicle Safety Standards. The FMVSS is a set of safety standards that manufacturers must obey. The National Highway Traffic Safety Administration manages the FMVSS.

Foam-Core Butyl – A sealant composed of butyl material set around open-celled foam extrusion. Foam-core butyl was initially developed as a compressible, waterproof sealant.

Frit – A band of black paint applied to the edges of a glass component. Typically applied to the inside edges.

Fritless – A term that describes a fully transparent glass component; that is, a glass component that has no frit.

Full-Strip Installation – During this kind of installation, a technician strips away a vehicle’s current adhesive-bead bed and puts on a new adhesive.

Galvanic Corrosion – The corrosion that occurs when two dissimilar metals (steel and aluminum, for instance) come into contact.

Garnish Molding – The trim found on the interior side of a window.

Gasket – A rubber frame that keeps glass components in place.

Glass Color – The color of tint used in automotive glass. Nearly all automotive glass is tinted. Common glass colors include green, gray, brown, and blue. Hold a white sheet of paper behind your automotive glass to determine its color.

Glass Composition – The physical and chemical structure of a given type of glass.

Glass Edge – The edge of a sheet of glass. The glass edge is the component used in determining a sheet’s thickness.

Glazing – The process of installing a piece of glass in a vehicle.

Heated Urethane – This is a kind of adhesive that is heated up to a set temperature prior to being applied. Heat will pre-cure any adhesive for quicker and much more efficient setting.

Idler Guide – The idler guide is simply a device that it relied on for securing windows that are moveable.

Laminate – The laminate is the vinyl inner layer of the glass in question.  Laminated Glass is a kind of safety glass used mainly for windshields.  As it consist of two layers of glass laminated together by a film, in the event of breakage, the glass pieces tend to adhere to the interlayer.  In the event of an accident or a stone or other object coming in contact with the glass windshield the likelihood of penetration into the vehicle cabin is lower.

Lane Departure Warning Systems are a mechanism that has been designed to warn the driver when a vehicle begins to move out of its lane (unless a turn signal is on in that direction) on freeways, highways expressways toll roads or any road

Lap Shear – It’s a kind of measurement of strength. It is defined as the time when two substrates, attached by a material, are forced over one another to cause a failure.

Lap-Shear Strength – This is the strength shown by the diagonal pull of two substrates, until they get to the point of adhesive failures. The name originates from the lap joint created by both the test samples and the shear action meant to pull the samples apart.

Linkage – Linkage is a mechanism that is utilized for the operation of various door latches and even door locks.

Lite – Lite is simply another word used to describe a piece or portion of glass.

Locator Tapes – This is the tape that is utilized in the alignment of the glass to the car body in case a dry fit occurs.

Lower Glass Channel – A lower glass channel is the section that’s connected to the lower portion of a moveable glass part in order to help with its movement, either up or down. It may be attached mechanically or connected with adhesive tape.

M# – This is a term that’s intended to describe either the description or the part number of the glass manufacturer. This is utilized by the glass manufacturers to categorize a certain kind of glass construction.

Material Safety Data Sheet – The material safety data sheet (MSDS) is a sheet mandated by the law to accompany the sale of particular chemical products as well as additional materials that are classified as hazardous.

Mechanism – The mechanism is the set of components that comprise the device that either raises or lowers the window inside the door frame. It can be comprised of the regulator, the lower glass channel, the mounting plate, the fasteners, the division bars, the clamps and even the vertical run guides.

Mirror Button – The mirror button is nothing more than the hardware utilized to hold the rearview mirror snugly in place on the windshield of the vehicle.

Mirror Pad – This is a portion of aluminum that is stuck to the glass’ surface. The rearview mirror will also be connected to this specific piece of glass.

Mobile Unit – This is a vehicle, normally a light truck or even a van, that is correctly outfitted with repair and safety tools and equipment and then driven to a customer’s place of business or home.

Modulus – The modulus is a term for either the hardness or density of a material in its cured state.

Mounting Plate – The mounting plate is a part of the mechanism. The glass is going to be attached to this mechanism.

National Auto Glass Specifications (NAGS) – NAGS is an acronym that stands for National Auto Glass Specifications Inc. This body assigns various numbers to auto glass components that are utilized all across the industry.

National Glass Association (NGA) – The NGA is a national trade association that fights for the companies that are involved in repair, auto glass installation and architectural glasswork.

National Highway Traffic and Safety Administration (NHTSA) – The National Highway Traffic and Safety Administration (NHTSA) is the governing department of automotive safety.

National Windshield Repair Association (NWRA) – The NWRA is another trade association for windshield repair professionals.

Nitrile Gloves – Nitrile gloves are specialized, rubber examination gloves that guard the wearer from the harmful effects of severe chemicals utilized in the workplace.

Non-Conductive Urethane – This is a kind of urethane that is greatly processed to lessen the conductivity of urethane’s primary ingredient, which is carbon black.

Occupational Safety and Health Administration (OSHA) – This is the regulatory department for safety in the workplace.

Open-Celled Foam – This is an extruded foam material that features interconnected pockets that permit compressibility as well as air flow.

Oscillating – Most of the blades found in the glass cutters used in glass removal are oscillating blades. These blades cut glass by quickly vibrating back and forth.

Packing Tape – A spacing material made of cork or rubber that is used as padding between the edge of a windshield and a metal “U” channel. Packing tape comes in a variety of thicknesses.

Paint Band – A grey or black band of paint found on the outside edge of automotive glass. Typically intended to hide perimeter mechanics.

Partial-Cut Installation – This type of installation is also known as close-cut installation. It’s an installation technique characterized by the fact that most of the adhesive-bead bed remains on the metal frame while a tiny and new bead of adhesive is incorporated to position the glass.

Partition Glass – Commonly used as a privacy device in limousines, partition glass is a dark-tinted pane of glass that divides the front and back seats of a vehicle.

Pascal – Named after French physicist Blaise Pascal, a pascal is a unit of pressure that equals one newton per square meter. One pascal is equal to just under 0.00015 PSI.

Pattern – A pattern is a small sample of a piece of glass that is drawn onto a medium that facilitates production. Once created, a pattern can be manufactured several times.

Personal Protective Equipment – This is the safety gear that is worn by an auto glass repair professional. It consists of Nitrile gloves, ultraviolet glasses and a first-aid kit.

Pillars – Metal structures adjacent to glass panes that support the roof of the vehicle. Pillars are designated by letter: A, B, C, or D. The windshield bonds to two A-pillars.

Pinchweld – A metal flange that extends from the A-pillars and the roof into the windshield frame. The pinchweld serves as an adhesive site for bonding the windshield to the vehicle.

Plasticizer – This is a material that softens up either an adhesive or a sealant through solvent action.

Plunge Relief Cut – A type of cut that facilitates removal of a glass sheet from its adhesive.

Pneumatic – Powered by the pressure of compressed air. Any number of tools may operate on pressurized air, and such tools are said to be pneumatic tools.

Polymer – A polymer is a compound that is made up of long-chain molecules. The so-called building units of the chain are actually monomers.

Poly Vinyl Butyral (PVB) – An anti-lacerative resin that is found in laminated glass. Typically bonded between two glass panels, the PVB prevents cracks from passing from one glass panel to the other.

Poly Vinyl Chloride (PVC) – A type of plastic used to encapsulate auto glass. Commonly used in automotive sealants and coatings. PVC is wear-resistant and absorbs shock.

Polycarbonate Plastic – A type of plastic formed via polymerization. Polycarbonate plastic is clear, flame-resistant, and unbreakable, making it ideal for industrial use.

Polysulfide – An adhesive that vehicle manufacturers use to bond glass to a metal frame. Polysulfide is not often used in aftermarket applications.

Polyurethane – An adhesive for bonding glass to vehicle frames that was created by General Motors in 1973. Polyurethane is ideal for unibody designs.

Pre-Applied Adhesive System (PAAS) – A manufacturing system sometimes used by European automakers. PAAS applies urethane adhesive to the edge of a pane of glass to make positioning easier.

Press Bending – A glass shaping process in which heated glass is placed between two molds (a “male” mold and a “female” mold) in order to form a pane of glass that has a very precise curve.

Primer – A material that is used to prime automotive glass for bonding. Helps to create a stronger bond upon installation.

Rain Gutters – Rain gutters, sometimes called drip rails, are gutters that run along the car’s roof. Their purpose is to divert water away from the doors.

Reaction Injection Molded (RIM) – RIM plastic is a form of plastic that is often used in plastic automotive parts and encapsulated glass parts.

Reciprocating – A term that describes the linear motion of a glasscutter. In a glass removal tool, a cutting blade that moves forward and backward is a reciprocating blade.

Re-initialization – In automatic door windows and automatic sunroofs, re-initialization serves to reset the anti-pinch safety feature.

Retainer – A device that attaches two panels.

Reveal Molding – A plastic or chrome molding that is placed around the edges of a windshield or back glass to keep it in place.

Run Guide – A vertical U-shaped channel that guides glass into the window frame. Also acts as a cushion between the edge of the glass window and the metal doorframe.

Safety Glass – This is a casual term for either tempered or laminated glass. Only laminated glass has the right to be referred to as laminated safety glass.

Sag – A term used when testing a material’s thickness. Material is applied to a vertical substrate as a liquid. The material’s action is measured in inches or fractions of an inch, including bead diameter and length.

Score – The first step in glass cutting. Scoring glass consists of using a scoring tool to scratch the glass, enabling the glass worker to break the glass along said scratch.

Screen Print – A paint band or monogram application method that makes use of silk screening to apply images or text to glass.

Setting Blocks – Blocks that help to position glass during the manufacturing and installation process. Setting blocks can prevent glass from sliding while adhesive hardens, or can create a gap between glass and a pinchweld.

Shard – A shard is a tiny fragment or piece of glass.

Shelf Life – Shelf life is the amount of time that resin can still stay fresh without it actually being used. If this material exceeds its shelf life, then the resin might turn into something unusable and unstable.

Shore Hardness – A means of measuring a compound’s firmness. The Durometer Hardness Gauge Rating assigns a numerical value, with 20 being the firmness of an eraser and 90 the firmness of a shoe’s heel.

Society of Automotive Engineers (SAE) – A professional association and standards-setting organization for engineers and professionals in the automotive and aerospace industries.

Solvent – A solvent is a liquid in which another kind of substance can be dissolved.

Spanner Bolt – A bolt that is used to affix glass to a regulator. Spanner bolts require a special kind of ratchet or wrench to be tightened.

Strip-Out – The process of removing excessive urethane bead from the pinchweld flange.

Structural Integrity – A vehicle’s ability to maintain roof shape and strength in the event of a rollover.

Substrate – This is a reference to a hard surface–it can be either metal or glass–that features an adhesive or a sealant bonded to it.

Super Plug – A window mechanism mounting device used in vehicle manufacturing. The window mechanism is housed within the doorframe as an assembly rather than as separate components. Can be taken out of the vehicle for service.

T Part – Also referred to as a DT part, FT part, DL part, or FL part, a T part is a flat, tempered or laminated part that has a specific NAGS number and cutting pattern.

Tack Free Time – The period of time that an adhesive compound is able to bond with another material.

Tempered Glass – A kind of glass that is made especially strong via rapid cooling. Tempered glass can be used in all automotive glass except for windshields.

Tempered Glass – A kind of glass that is created via extremely fast cooling, thereby strengthening the surface. Tempered glass is estimated to be up to ten times stronger than annealed glass. When tempered glass does break, the pattern is less dangerous. Tempered glass cannot be cut after it is formed.  Tempered Glass is mainly used for the rear and side windows of vehicles.  It is very strong and has the unique fracture characteristic of shattering instantly in the event of breakage.  If broken, it fractures instantaneously into small pieces with no sharp edges, providing a safer environment in case of accidents.

Tensile Strength – Measured in PSI, tensile strength is found by pulling two substrates straight upward.

Third Party Administrators (TPAs) – Businesses that serve as middlemen between insurance companies and service providers. TPAs provide a standardized pricing structure, which simplifies the claims process and reduces costs.

Tint – A slight shading in automotive glass that is added during the manufacturing process. Tints are often green or blue, but can also be grey or bronze.

Tinted Glass – Automotive glass that contains a small amount of color.

Tinting Film – A dark plastic film that is applied to glass. Primarily serves as a privacy device, but some brands may have anti-glare and anti-UV properties.

Translucent Glass – Translucent glass is a kind of glass that is characterized by the ability to allow light to come through, yet diffusing it so that any object on the other side of it seems to be vague, imperfect or even distorted.

Transparent Glass – Transparent glass is glass that only lets light come through without any distortions at all. This, as a result, lets objects on the other side of the glass to be seen very clearly.

Twist – This is a crack that occurs when your windshield becomes twisted, either when flexing occurs in the frame of the vehicle or when it is improperly mounted in your vehicle. If your windshield comes complete with a nick on its edge, then this twist can even get worse over time.

U-Channel Molding – This is a reference to molding that permits water to be channeled up and over your car instead of around the A pillar.

Ultrasonic – This term is a reference to sound that’s at a frequency louder than human hearing’s upper limit. It’s utilized in the car industry’s auto detection devices.

Ultraviolet (UV) Light – This is a reference to part of the light spectrum. Such an ultraviolet light it utilized during the process of repair for a windshield.

V-Bead – This a reference to adhesive compound or sealant that is applied to a triangular manner and shape to any given surface.

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Vertical Run Guide – The vertical run guide is either a channel or weather strip that directs the door glass in the frame if the glass is either lowered or raised.

Vehicle Identification Number (VIN) – This is a highly unique 17-digit number that gets assigned to each and every vehicle. It is used to identify the vehicle’s make, model and year.

Vehicle Identification Number (VIN) Notch – This will be cut away in the paint band on the windshield to show the VIN plate the vehicle dashboard.

Vehicle Make – Simply put, this is the brand of vehicle that you use and drive. Some of the more famous examples are makes such as GMC, Ford, Acura, Toyota, Kia, Lexus, Peugeot, BMW, Chrysler and Nissan.

Vehicle Model – This is a reference to the actual kind of vehicle that you use and drive. Some of the more famous examples are models such as the Ford Mustang (Ford is the make, Mustang is the model), the Toyota Camry and the Acura Integra.

Viscosity – This term refers to the thickness of any given material.

Wetting Out – Wetting out is smoothing out or creating a hydrogen bond.

Wiring Harness – A wiring harness is a reference to a number of wires that are bundled together and which possess a common connector. The purpose of this wiring harness is to offer electrical power to different devices.

If you’re considering a job as an auto glass technician, or if you’re simply an interested consumer, knowing these terms can help you to understand what goes on in auto glass repair. By understanding this terminology, you’ll always be able to know what technicians at your local auto glass shop are talking about.