Manufacturer Guidance

How It's Made: Mouth-Blown Glass

Bendheim offers authentic mouth-blown glass for architecture, art, and the home. For more information, visit https://www.bendheim.com TRANSCRIPT: Lamberts Glass is located in the small German town of Waldsassen, near the Czech border. The factory has been producing clear window glass and colored art glass since 1906. The process of making mouth-blown sheet glass has been unchanged for centuries. Glass has three main ingredients: silica, lime, and soda. The raw materials are heated to a molten temperature of about 1500 degrees Celsius. A gather of glass on a blowpipe starts the fabrication process. Shaping the initial gather is critical to the later step of blowing the glass into a cylinder. Sometimes another color, or multiple colors, are applied as a second step. Here pieces of white glass, called frit, are added; they will create a lovely dappled pattern on the final sheet. Additional gathers ensure that enough glass is on the blowpipe. Craftsmen repeatedly work the hot glass into the perfect...