Obscure glass: glass that is made translucent for privacy, decoration, or light diffusion.

Ogee curve: a reverse or concave curved molding.

Operable transom: a panel or window located above a door, which can be opened for ventilation.

Operator: hand crank, gearbox, and arm assembly used to open and close windows such as jalousie windows.

Oriel window: a window which projects out from an exterior wall, similar to a bay window except it is supported by the wall and doesn't extend to the ground.

Outer frame member: the part of the window frame that extends beyond the outer wall.

Copyright © 2002 - - 1st-replacement-windows.com,  All Rights Reserved