gasket
a rubber or plastic pliable material used to separate glass and aluminum or vinyl.
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glass surface numbers
a numbering system to identify glass surfaces. They always start from the exterior. For example, a regular insulating glass unit (IGU) has four surfaces: #1 = the outside surface of the exterior lite; #2 = the inside surface of the exterior lite; #3 = the outside surface of the interior lite; and #4 = the inside surface of the interior lite.
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glazing
the process of installing glass or panels into the sash or frame of the window.
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glazing bead
a molding or stop around a window frame, sash, vent, or panel to hold the glass in place by pressure.
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gusset
a concealed, strong, right-angled shape used to reinforce mitered corners in tubular aluminum extrusions.
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