GLOSSARY OF WINDOW TERMS The Learning Center Stool Inside horizontal trim member of a window sash or door panel. Stop A wood trim member nailed to the window frame to hold, position or separate window parts. The stop is often moulded into the jamb liners on sliding windows. Stud Vertical wood framing members which form a frame wall. In normal construction these are eight foot-long 2" x 4"s. Tempered Glass Special heat-treated, high-strength safety glass, often called safety glass, tempered glass does not shatter as easy as non-tempered glass. When it does break, it crumbles into very small pieces to reduce the threat of injury. Used in all doors and most windows within 18 inches of the floor. Tinted Glass Tinted glass windows are those which are coated with a darker color to reduce sun glare and solar heat gain. Does not insulate particularly well. Tinted glass windows are available in several colors and tints. Stool - True Divided Light Titanium An ultra-hard metal with low light absorption and high visible light transmittance (VLT) properties. Ttitanium low-e coatings improve transmitted color and reduce emissivity. Transom  A smaller window above a door or another window. A transom joint is also the horizontal joining area between two window units which are stacked one on top of the other. Triple Pane Most replacement windows today are double paned windows which means there are two independent sections of glass kept apart at approximately 5/8 of an inch. When you have a triple pane window, that means there are three sections of glass. One disadvantage of triple pane glass is that there is a higher tendency for spacer seals to fail, allowing moisture between the three panes of glass – this is called 'Fogging'. True Divided Light A term that refers to windows in which multiple individual panes of glass or lights are assembled in the sash using muntins. < previous main menu       next > 3245 Miracle Drive Murrysville, PA 15668 724-387-2991 PA Contractor ID PA001856