Stained Glass #4

Posted by Eric Cousineau (Sherwood Park, Canada) on 10 December 2015 in Art & Design and Portfolio.

Flashed glass Architectural glass must be at least 1/8 of an inch thick to survive the push and pull of typical wind loads. However, in the creation of red glass, the colouring ingredients must be of a certain concentration, or the colour will not develop. This results in a colour so intense that at the thickness of 1/8 inch, the red glass transmits little light and appears black. The method employed is to laminate a thin layer of red glass to a thicker body of glass that is clear or lightly tinted, forming "flashed glass".

A lightly coloured molten gather is dipped into a pot of molten red glass, that is then blown into a sheet of laminated glass using either the cylinder (muff) or the crown technique described above. Once this solution was found for making red glass, other colours were also made this way as well. A great advantage is that the double-layered glass can be engraved or abraded to reveal the clear or tinted glass below. The method allows rich detailing and patterns to be achieved without needing to add more lead-lines, giving artists greater freedom in their designs. A number of artists have embraced the possibilities flashed glass gives them. For instance, 16th-century heraldic windows relied heavily on a variety of flashed colours for their intricate crests and creatures. In the medieval period the glass was "abraded" (ground off); later, hydrofluoric acid was used to remove the flash in a chemical reaction (a very dangerous technique), and in the 19th century sandblasting started to be used for this purpose.

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Michael Skorulski from Toronto, Canada

A lovely colorful frame.

10 Dec 2015 5:41am

Dimitrios from ATHENS, Greece

love this art form***

10 Dec 2015 10:55am

Devi from Chennai, India

Beautiful and colorful !!!!!

10 Dec 2015 11:04am

beach from Oshawa, Ontario, Canada

This is a happy piece of art.

10 Dec 2015 2:55pm

Steve Rice from Olympia, United States

Lovely rich colors. The making of red is interesting.

10 Dec 2015 6:52pm

L'Angevine from Angers, France

bien

11 Dec 2015 2:57pm

Pentax K200D
1/180 second
F/5.6
ISO 100
169 mm (35mm equiv.)

stained
glass

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