Window glass thickness dating technique

The scope of this article is safety glazing and the areas where inspectors look at the hazards posed by glazing.

The danger When a person accidentally impacts glass, there are two immediate dangers.

It is sometimes said that glass in very old churches is thicker at the bottom than at the top because glass is a liquid, and so over several centuries it has flowed towards the bottom. In Mediaeval times panes of glass were often made by the Crown glass process.

A lump of molten glass was rolled, blown, expanded, flattened and finally spun into a disc before being cut into panes.

Laminated Glass is made up of two glass sheets “sandwiched” into a double thickness matrix.[Physics FAQ] - [Copyright] Updated PEG January 1997.Original by Philip Gibbs October 1996, with thanks to many who contributed their knowledge and references.Wooden Window can provide tempered, Low E, restoration and obscure glass, as well as virtually any decorative glass type including Vintage, Beveled and Stained Glass. Please contact Wooden Window for further details and specifications. Machine glass is slightly wavy and “imperfect” to match the glass used decades ago.Glass sheets are available in a variety of thicknesses. A number of glass coatings can also be ordered, usually in conjunction with insulated glass configurations.

Window glass thickness dating technique