Glass - Facts, Information, Production, Resources

Welcome to the Glasswork and Manufacture website. Browse our pages and discover all about the process of glass making, the types of glass work that is produced, how to repair glass work, which kind of functional applications glasswork can be used for and where you can find art glass showcased.

Glassmaking involves two main steps, heating and mixing raw materials to produce molten glass, and forming the molten glass into the desired shape. Most glass then receives further treatment to produce the final product.

Glass manufacture begins with the careful selection and measurement of raw materials. The most important raw material is sand. Other raw materials used depend on the type of glass being made. Broken glass, called cullet, is usually added to the raw materials. It promotes the melting of the raw materials as they are heated. Most cullet is waste from glass-forming operations; some is obtained from recycled glass products. The raw materials and cullet are heated until they have melted into a spongy mass full of bubbles.

The temperature of the melt is then increased to make it more fluid, allowing the bubbles to rise to the surface and escape. The glass at this stage is clear and homogeneous. When the glass is withdrawn from the furnace its viscosity is too low for it to hold any form. As the glass is cooled, it flows less easily and can be formed. This is done using one of the following processes: machine blowing, drawing, floating, pressing, or rolling.

After forming, glass is usually heat-treated, either by annealing or by tempering. It may also be decorated. Email us for more information on the glasswork production process.

Welcome to the Glasswork and Manufacture website. The aim of this website is to be a portal for all forms of glasswork and glass manufacturing, from art glass such as stained glass windows and vase work, to glass manufacture for industrial and scientific applications.

Within our pages you can discover all about the glass making process, how glass work is repaired, where you can find art glass showcased, who supplies the various types of glasswork, and a number of glasswork and glass manufacture links and resources.
If there is any part of the glass manufacture process or any aspect of the glass work industries that we don’t cover and which you feel we should, or if you would just like to share your own glass work information or recommended suppliers/studios, please let us know. 

Just as flat glass is integral to the construction of most buildings and transport vehicles, and an important component for some appliances and furnishings, there are a dizzying range of more complex forms of glass work required for some extremely technical applications, such as for the scientific and industrial sectors, and these applications require glass to be made to extremely high tolerance levels. Equally glass made for artistic purposes will typically be a bespoke piece of glass work, hand crafted and unique. 

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This website has nothing to do with the old Spirit Nottingham website. For more information on Spirit Nottingham, please contact them directly at 42 Ebers Road, Mapperley Park, Nottingham, NG3 5DZ.

You can telephone them on 0115 9604063, or email them at