Standard (4mm) - sometimes termed float glass. Normal window glass.

Toughened - (available in various thicknesses) this is a safety glass and can be used in critical locations eg doors and shelves etc. A thermal processed glass. Complies to EN12150:2

Laminate - (available in various thicknesses) this is a safety glass and can be used in critical locations eg doors and shop fronts etc. Holds together when shattered, a layer of plastic (PVB) between two sheets of glass. Complies to EN 14449.

Georgian Wire Cast - fire resistant glass, with a welded steel mesh incorporated within the body of the glass. This is the obscure version of this product.

Georgian Polished Plate - fire resistant glass, with a welded steel mesh incorporated within the body of the glass. This is the clear version of the product.

Planibel A (4mm) - this is a highly energy efficient glass that is suited to high performance domestic windows.
Toughened Planibel A (4mm) - the toughened safety glass (Complies to EN12150:2) version of a highly energy efficient glass that is suited to high performance domestic windows.