Building Technology
Glass cloisonnee
Any information on the process and technique for making glass cloisonee which started with a British Company,The Cloisonnee in 1897 would be very welcome. It is used in the architecture and interior decoration. There are new talks about using Islamic calligraphy with this glass technique in mosques and houses. We would like more input in it.

Rakesh Mathur
Rakesh Mathur
Glass cloisonnee
We saw this information with much interest. It may be interesting to note that Nuovo Opificio Company in Rome and London have been working on reviving this art with much support and success. They have been expanding their range of products lately to cover the Islamic art.

More details can be asked at the following e-mail:
Rakesh Mathur
Glass cloisonnee
Dear Rakesh,

You might also consider using VE porcelain steel. This is a glass frit applied to a lo-carb steel up to 16 gage. Typical use is for appliances like stoves. It does have very great application advantages in architecture both interior and exterior.

VE steel is Vitrious Porcelain Enamel steel. Donna Corbett at BGBell Enameltec in Toronto Canada area is the person that I am aware of there. They do 4 color silk screening and have amazing color matching capabilities. There are some limitations as far as shape of things and max sizes, however, it is glass on a metal substrate, fired in a kiln.

The biggest difference is that cloisonee is generally a small item hand applied useing thin wire to separate the frit applied as a paste. The base metal is most often copper. VE porcelain steel is the industrial version, using no wires to separate, devising other methods to create graphics and having a larger scale possible.

Both last nearly forever, being completely UV and weather resistent just as glass is. You can, if you have the glass formula and a continuity generally match colors after many years. Some mineral contents used in frits are from different sources over a long period of time because of exhausted mines. In that case color matches are difficult or not exactly predictable and require special formulation. As long as the surface is not chipped for some reason like accident or impact, the glass is permanent, protecting the steel substrate. There are two problematic colors in the purples that are difficult to achieve and expensive. They also have metallics.

Glass as part of an integral surface is wonderful, because it does not lose its color with passage of time.

Best Regards,
Eileen Webb


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