| Awning Window |
A window hinged at the top, opening from the bottom swinging out. |
| Casement Window |
A window hinged on either side, opens to the outside like a door. |
| Check Rail |
The area in which the bottom rail of the top Sash and the top rail
of the bottom sash meet when the window is in the closed position. |
| Combination Storm/Screen |
A frame with two pieces of glass and a half screen installed on the
exterior of a double hung window, enabling full storm for winter months
and half screen during summer months. |
| Double Hung Window |
A window with two vertical sash, in a single frame which slide by
each other for either upper of lower ventilation. |
| Extension Jambs |
Flat pieces of wood applied to the inside of the window jamb
extending the width of window to a wider wall size. Extension jambs are
flush with the inside finished wall allowing casing to be applied. |
| Glass, Insulated |
Two pieces of glass secured together to enclose a captive air
space. |
| Glass High Performance® |
A double pane insulated glass with a micro-thin coating of metallic
oxides on the outer surface of the inner pane of glass. The coating
retards passage of radiant, in addition to conducted or convected heat.
|
| Glass High Performance® Sun II |
Sun II insulated glass is similar in construction to High
Performance glass except the outside light is bronze tinted and the
micro-thin metallic coating is on the air space surface of the outside
light. Sun II filters out more ultra-violet light. |
| Glazing |
The pieces of glass in the sash of a window. |
| Glazing Bead |
An extruded vinyl molding used to provide a weather seal between
the Glazing (glass) and the sash frame. |
| Glazing, Single |
A single piece of glass installed into a window sash. |
| Glazing, Double |
Two pieces of glass installed in a sash to provide an air space. |
| Glazing, Triple |
Three pieces of glass installed in a sash to provide two separate
air spaces. |
| Glazing Compound |
A flexible material applied between the window sash and the piece
of glass to seal out the environment and fasten the glass to the sash. |
| Glazing Bead |
A piece of wood or plastic material applied to the window sash and
glass to seal out the environment and fasten the glass to the sash. |
| Gliding Patio Door |
Two or more tempered door panels, which slide by each other within
the same frame. Generally only one panel operates. |
| Gliding Window |
Two or more sash which slide by each other within the same frame. |
| Grilles |
Decorative or simulated bars which don't actually divide the lights
of glass. Usually made of plastic or wood and fit on the inside of the
glass surface for easy removal. |
| Handing |
The Left and Right components of Doors and Windows is determined by
viewing the Door or Window from the External View (Outside View).
Component parts follow the same rule.
See Figure
3 - Casement Window Handing for visual example. |
| Hopper |
Window sash hinged at the bottom and opening inward. |
| Jamb Liner |
Plastic or metal material covering the head and side jamb of
double-hung windows. This material is moulded to form stops for inside
and outside surfaces and hides the sash balance system. |
| Jambs |
Head jamb is a horizontal piece across the top and the side jamb is
the vertical member of the window frame. |
| Keeper |
A hook shaped part of a casement and awning windows lock that is
mounted on the inside surface of the sash stile. The lock hooks under
the keeper to pull the sash into a locked position. |
| Lift |
A handle installed on the bottom of the lower sash of a double-hung
for ease of raising and lowering the sash. |
| Lock Rail |
One of the two horizontal pieces on a double-hung sash where the
upper and lower sash come together. |
| Low E Glass |
A glass which has low emissivity due to a film or metallic coating
on the glass to restrict the passage of radiant heat. |
| Meeting Rail |
One of the two horizontal pieces on a double-hung sash where the
upper and lower sash come together. |
| Meeting Stile |
The vertical member between two adjoining sash. |
| Mullion |
Joints between single windows joined together to make one in a
single frame, either horizontal or vertical. |
| Mullion Casing |
A casing member to cover mullions between single windows on the
interior or exterior of the unit. |
| Operator |
A metal arm and gear mechanism allowing easy opening and closing of
windows. |
| Picture Window |
A large non-venting window designed for maximum view without any
impediments. |
| Rails |
The top and bottom pieces of a door panel or window sash. |
| Rough Opening |
An opening in a wall to accept a window or door unit. |
| Sash |
The frame material holding the glass consisting of stiles and
rails. |
| Sash Balance |
A system which assists in raising a double-hung sash and keep the
sash in the desired position. |
| Sash Lock |
A cam action lock applied to the meeting rails of a sliding or
double-hung window. |
| Sill |
The bottom horizontal piece of a window frame which generally
slants downward to the outside to shed standing water. |
| Stile |
The vertical side pieces of a sash or door panel. |
| Stop |
A wood trim piece applied to the window frame to prevent the closed
sash from swinging through the opening. |
| Tempered Glass |
A piece of glass that has been put through a special heat-treated
tempering process, allowing the glass to crumble under severe impact
into small pieces to reduce the chance of injury. |
| Thermal Barrier |
A non-conducting material used to separate the inside and outside
surface of metal sash and frame or metal door and sill, to stop the
conduction of heat to the outside which results in a cold inside
surface. |
| Weather-Strip |
A strip of material, such as metal, plastic or felt designed to
seal between a sash and frame, preventing weather leakage. |
