GLOSSARY-G

Gasket

A pliable, flexible continuous strip of material used to affect a watertight seal between the sash and frame of roof windows much like the seal around a refrigerator door.

Glass

An elastic transparent material composed of silica (sand), soda (sodium carbonate), and lime (calcium carbonate) with small quantities of aluminum, boric, or magnesia oxides.

Geometric window

A fixed framed window made up of 2 or more angles (i.e., pentagon or trapezoid).

Glazing

Glass or other material that is placed into a window or door sash, or the process of installing this material.

Glazing bead

(Glass stop / Wood stop / Sill bead) - A molding or stop placed around a window or door to cover the glass edge.

Glazing channel

A groove cut into the sash for the mounting of glass.

Glazing compound

A pliable substance applied between the window or door sash and the lights of glass to seal against the elements and sometimes to attach the glass to the sash.

Gothic-head window

Usually removable for easy cleaning, grilles give the appearance of a divided window pane.

Grain

Natural pattern of growth in wood. Different species have differing grain characteristics. Grain is also naturally variable, one of the beauties of wood.

Grilles

See: Muntin.