GlassCatalogue_LowRes

Glossary Of Terms / F-G
Flashing
A weatherproof skin or material which must be compatible with the framing materials,
installed in such a manner as to waterproof the installation in the building.
Flat glass
A general term that describes float glass, sheet glass, plate glass and rolled glass.
Flat ground edge
Glass, the cut edges of which are machine ground flat and the surface edges are slightly
arrised without a final polish.
Float glass
A transparent glass, the two surfaces of which are flat, parallel and fire polished so that
they give a clear undistorted vision and reflection. Float glass is manufactured by floating
a ribbon of molten glass over a bath of liquid tin which has a greater density than that of
glass.
Molten glass
Molten glass
Cutter
Molten tin
Float chamber
Annealing Iehr
Rollers
Flush glazing
Glass glazed to an aluminium frame without any external mullion or transom projections.
Fracture pattern
The resultant pattern formed by the cracks within an individual pane of glass when broken.
Frit
Raw materials mixed together and melted to form glass.
Frosted finish
A surface treatment for glass, consisting of acid etching or sandblasting one or both
surfaces to diffuse transmitted light.
Gas filling
The filling of the unit cavity of sealed insulated glass with an inert gas, such as Argon, to
improve its thermal performance.
Gaskets
A pre-formed resilient rubber-like compound. This provides a continuous surround for
glass and a weather tight seal when compressed.
Georgian bars
Georgian bars can be used to create colonial style, multi-pane windows. See Colonial bars.
232 Product Catalogue For Glass Processors & IG Manufacturers