Created by potrace 1.14, written by Peter Selinger 2001-2017

Ideas & Info


Types of Glass

  • Clear Glass
  • Tinted Glass
  • Obscure Glass
  • Pattern Glass
  • Tempered Glass
  • Wire Glass
  • Laminated Glass
  • Cast Glass
  • Plexiglass & Lexan/Polycarbonate

Glass  Edge Shapes

Types of glass edges

Glossary of Terms


 A type of thermoplastic, sometimes used for glazing. Good weather resistance, shatter resistance and visual clarity.

 Annealed Glass

 Standard float glass (see below).

 Bay Window

 An arrangement of three or more individual window units, attached in such a way as to project from the building at various angles.

 Bow Window

 A window with three or more units of equal width, which can be fixed, operable or mixed in any combination.


 A unit of glass, generally longer vertically than horizontally. It can either be opened to the outside (most common) or inside.

 Curtain Wall

 An exterior building wall which carries no roof or floor loads, made entirely or mostly of metal, or a combination of metal, glass and other surfacing materials supported by a metal framework.

 Double Glazing

 Two sheets of glass, separated by an air space. Double glazing improves insulation against heat transfer and/or sound transmission.

 Double-Hung Window

 A window consisting of two sashes of glass operating in the same rectangular frame. Both the upper and lower halves can be slid up and down. There is usually use a counter balance mechanism to hold the sash in place.

 Dry Glazing

 A method of securing glass in a frame without the use of a compound.

 Fixed Window

 A window which is stationary, also known as a picture window.


 The work of installing glass in a frame.

 Insulating Glass

 Insulating glass refers to two pieces of glass spaced apart and hermetically sealed to form a single-glazed unit with an air space between.

 Interior Glazed

 Glass set from the interior of the building.

 Jalousie Window

 A window of horizontally mounted, louvered glass panels that abut tightly when closed and extend outward when cranked open.


 The two vertical members of the perimeter of the sash (see below).

 Laminated Glass

 Two or more sheets with an inner layer of transparent plastic to which the glass adheres if broken. Used for overhead, safety glazing, and sound reduction.


 A window in which slats are so placed to block rain, sunlight or vision.


 A connector bridging two or more windows or patio doors together.

 Picture Window

 The picture window is stationary and framed so that it is usually, but not always, longer horizontally than vertically to provide a panoramic view.

 Plate Glass

 Polished plate glass is a rolled, ground and polished product that offers excellent vision. It has less surface polish than sheet glass and is available in thickness varying from 1/4″ to 1-1/4″. Now replaced by float glass (see above).


 The portion of a window which includes the glass and the framing sections directly attached to it.

 Tempered Glass

 When shattered it breaks into small, rounded pieces of glass, rather than sharp, irregular pieces. It is approximately 4 times stronger than standard annealed glass, and is used as safety glazing in patio doors, entrance doors, side lites (see above), and other hazardous locations.

 Tinted Glass

 A colored mineral admixture is incorporated in the glass. Tinting offers sun protection and better temperature control.

 Wire Glass

Wire mesh is embedded within the glass so it won’t shatter when broken and remains in the opening longer in the case of a fire. Frequently used in locations where a fire-rated glass is required.