A sheet of hand cast or machine made glass that has had one side embossed with a texture. The textures that we offer are cobblestone, granite, mirage, ripple, and shadowglass.

A slow, temperature controlled cooling process that relieves stress in heated glass.  If glass is not properly annealed, it is likely to break during the cooling phase or at a later date.

A term often used to describe colored glass or stained glass.  Art glass usually contains at least two colors mixed together in the same sheet of glass.  There are often as many as six different colors mixed together.

A term used to define the mixture of ingredients that produce a colored glass.  The primary ingredients in stained glass are glass grade silica, soda ash, limestone, feldspar and fluorspar.  Various colorants are added to the batch in smaller quantities.

Part of the Float Fire 82 line of float compatible frits.  This is a fine powder that is designed for creating bubbles within fused float glass projects when using the sandwich technique of fusing.  Float Fire 82 bubble powder is available in 33 colors.

Also known as seeds, seeded or seedy glass in art glass manufacturing.  These small seeds are introduced intentionally in most hand cast art glass manufacturing processes.  There are many different ways to create the seeds but they are caused when small areas of gas are trapped in the glass.

Glass that is a single color and that is transparent, i.e. transparent red, blue, etc.  Armstrong Glass makes more than 60 cathedral colors and textures.

A form of glass making that entails melting glass and pouring into a mold or melting glass in a mold to form a glass object. 

Cobblestone is a unique texture developed by Armstrong Glass. It is similar to hammer-back glass, but with a lower profile. Cobblestone is reminiscent of old style glasses of an era gone by. It is very mild in texture, barely obscuring the light as it passes through. Cobblestone is frequently used in the United Kingdom in pubs and restaurants. It i [..]

A number that indicates the rate of expansion, per degree of temperature increase, of glass as it is heated.  COE is a term frequently used by fusers and glass casters because only glass with close to the same COE can be successfully fused together.  If glasses with different COE’s are mixed, the glass is said to be incompatible and will not fuse p [..]