A

Acrylic – A thermoplastic with good weather resistance, shatter resistance, and optical clarity, used for glazing

ANSI – National standards institute – clearing house for all types of standards and specifications

Auto Glass – Safety glass tempered or laminated to become a structural component

Auto Glass Installation – Installation done right, but not at the expense of driver safety

Auto Glass Repair – Replace glass to highest safety standards making it structurally integral

Auto Glass Replacement – Glass replacement done fast and safe, in-shop or mobile on site

Auto Glass Cleaner – Glass cleaner for tough outside applications like bird splay resin

Auto Glass Quote – Fair price for auto repair without shortcuts or structural compromises

Awning – Window similar to a casement except the sash is hinged at the top and always swings out

B

Bathroom Mirror – Mirror used for personal hygiene in bathroom

Bay Window – An arrangement of three or more individual window units, attached so as to project from the building at various angles – in a three-unit bay, the center section is normally fixed, with the end panels operable as single-hung or casement windows

C

Casement – A window sash that swings open on side hinges: in-swinging are French in origin; out-swinging are from England

Commercial Glass – Heavy glass used in large architectural glazing applications

Commercial Glass Door – Sliding or hinged door used in commercial storefronts and offices

Commercial Glass Entry Doors – Circular, hinged or automated glass door used as main customer entry point

Commercial Glass Hardware – Hardware fitted directly to glass doors, usually requiring drilling through glass

Commercial Glass Storefront – System of large architectural windows and doors allowing display to passing viewers

Condensation – The deposit of water vapor from the air on any cold surface whose temperature is below the dew point, such as a cold window glass or frame that is exposed to humid indoor air

Custom Cut Glass – Glass that is specially cut to fit perfectly in an unconventional application

Custom Etched Glass – Glass etched with a custom design according to user specification

Custom Glass – Glass shaped or fitted to a unique application; not from standard stock

D

Decorative Mirror – Mirror having a special design quality fitting to different decorum styles

Display Showcase – Structurally tempered glass configured in a display case frame

Door Screen – Screen susceptible to corrosion or damage needing replacement

Door Screen Wood – Screen door with wooden frame, susceptible to climate rot over time

Double-hung Window – A window consisting of two sashes operating in a rectangular frame, in which both the upper and lower halves can be slid up and down. a counterbalance mechanism usually holds the sash in place

Double Glazing – In general, two thicknesses of glass separated by an air space within an opening to improve insulation against heat transfer and/or sound transmission. in factory-made double glazing units, the air between the glass sheets is thoroughly dried and the space is sealed airtight, eliminating possible condensation and providing superior insulating properties

Double Strength Glass – Float glass 1/8″+/- (6.0mm+/-) thick

E

Etched Glass – Glass that has an artistic image or pattern machine etched into surface

Etched Glass Design – Custom graphic or decorative design supplied for glass etching

Etched Glass Door – Glass door, often commercial, that is etched with a logo or design

Etched Glass Window – Custom window, etched with a decorative or architectural design

F

Fenestration – The placement of window openings in a building wall, one of the important elements in controlling the exterior appearance of a building. also, a window, door, or skylight and its associated interior or exterior elements, such as shades or blinds

Float Glass – Glass formed by a process of floating the material on a bed of molten metal. it produces a high-optical-quality glass with parallel surfaces, without polishing and grinding

Fogging – A deposit of contamination left on the inside surface of a sealed insulating glass unit due to extremes of temperatures or failed seals

Frameless Shower Door – Heavy glass door, structurally sound enough to eliminate need for frame

Floor Mirror – Floor standing mirror used to enable head to toe viewing of dress style

G

Gas Fill – A gas other than air, usually argon or krypton, placed between window or skylight glazing panes to reduce the u-factor by suppressing conduction and convection

Glass – An inorganic transparent material composed of silica (sand), soda (sodium carbonate), and lime (calcium carbonate) with small quantities of alumina, boric, or magnesia oxides

Glass Cleaner – Specially formulated cleaner usable on most types of glass

Glass Door Shower Enclosure – 1/4′-1/2″ glass placed inside tile walls to enclose the shower

Glass Shower Door – Glass door custom designed or fitted to unique specifications

Glass Table Tops – Clear table tops in contemporary design allowing art of frame to show

Glass Window Cleaner – Glass cleaner that is stronger, and made to leave less streaking

Hard Water Stain Remover – Glass cleaner formulated to remove rust and calcium stains

Heat Absorbing Glass – Window glass containing chemicals (with gray, bronze, or blue-green tint) which absorb light and heat radiation, and reduce glare and brightness. see also tinted glass

Home Replacement Window – Window that needs fixing in a hurry, but not at the expense of quality

Horizontal Slider – A window with a movable panel that slides horizontally

L

Laminating Glass – Two or more sheets of glass with an inner layer of transparent plastic to which the glass adheres if broken. used for safety glazing and sound reduction

Low-conductance Spacers – An assembly of materials designed to reduce heat transfer at the edge of an insulating window. spacers are placed between the panes of glass in a double- or triple-glazed window.

Low-emittance (low-e) Coating – Microscopically thin, virtually invisible, metal or metallic oxide layers deposited on a window or skylight glazing surface primarily to reduce the u-factor by suppressing radiative heat flow. a typical type of low-e coating is transparent to the solar spectrum (visible light and short-wave infrared radiation) and reflective of long-wave infrared radiation

M

Mutin – A secondary framing member (horizontal, vertical, or diagonal) to hold the window panes in the sash. this term is often confused with mullion

N

No Streak Glass Cleaner – Glass cleaner that doesn’t leave light translucent streaks when wiping

P

Patio Screen Door – Screen door leading from house to patio, screened to keep bugs out

Picture Window – A large, fixed window framed so that it is usually, but not always, longer horizontally than vertically to provide a panoramic view

R

Replacement Window – Window properly installed, on time, with quality workmanship

Retractable Screen Door – Sliding screen door, often needing service after wear and tear

Replacement Window Screen – Screen used in Go-Glass quality installation

R-value – A measure of the resistance of a glazing material or fenestration assembly to heat flow. it is the inverse of the u-factor (r = 1/u) and is expressed in units of hr-sq ft-°f/btu. a high-r-value window has a greater resistance to heat flow and a higher insulating value than one with a low r-value

S

Safety Glass – A strengthened or reinforced glass that is less subject to breakage or splintering

Screen – Woven mesh of metal, plastic, or fiberglass stretched over a window opening to permit air to pass through, but not insects.

Shower Door – Heavy glass door for low maintenance, high-end shower

Shower Glass Cleaner – glass cleaner formulated to remove water stains and deposits

Shower Mirror – Mirror custom designed to fit within shower chamber or area

Single-hung Window – A window consisting of two sashes of glass, the top one stationary and the bottom movable

Sliding Glass Door – A door fitted with one or more panels that move horizontally on a track and/or in grooves. moving action is usually of rolling type (rather than sliding type). also called gliding door, rolling glass door, and patio sliding door

Sliding Screen Door – Tracked patio or porch screen with metal frame

Storefront Door – Glass door made to accommodate heavy ingress and egress from store

U

Ultraviolet Light (UV) – the invisible rays of the spectrum that are outside of the visible spectrum at its short-wavelength violet end. ultraviolet rays are found in everyday sunlight and can cause fading of paint finishes, carpets, and fabrics

V

Vanity Mirror – Mirror attached to or installed above a vanity furniture piece

W

Warm-edge Technology – the use of low-conductance spacers to reduce heat transfer near the edge of insulated glazing.

Window Repair – Glass repair that doesn’t do unnecessary work

Window – a glazed opening in an external wall of a building; an entire unit consisting of a frame sash and glazing, and any operable elements.

Window Screen – Aluminum or nylon screen that allows ventilation but constrains bugs

Wrought Iron Mirror – Mirror framed in wrought iron

Windshield Repair – Windshield repair by a safety conscious certified glass technician