|
Glossary
Adjustable Bracket - component which allows for any custom scribing for irregular surfaces (Whitman only).
Air Infiltration - the amount of air that passes between a window sash and frame, or a door panel and frame; for windows it is measured in terms of cubic feet of air per minute per square foot of area, and for doors, it is measured in terms of cubic feet of air per minute per foot of crack.
Angle Bay Window - a composite of three or more windows, with flanking units projecting from the wall, usually at a 30-degree or 45-degree angle.
Astragal - an interior molding attached to one of a pair of doors or sash in order to prevent swinging through; also used with sliding doors to ensure tighter fitting where the doors meet.
Awning Window Unit - a combination of frame, one or more operative awning sash weathership, operating device and at the option of the manufacturer screen and/or storm sash assembled as a complete and properly operating unit; unit may contain one or more fixed or nonoperative sash in combination with the operative sash.
Balancing - the raising and lowering of sash, as well as holding its position at any desired level; sash activiation.
Baluster - evenly spaced railing supports (<4” apart).
Blank post - fence post with no routed holes.
Blumount - mounting plate and bolt kit that assists with the installation of the unimount (available for wood or concrete).
Bow Window - three or more individual windows projecting from the wall in a gently curved contour.
Box Bay Window - a composite of three or more windows, with flanking units projecting from the wall at a 90-degree angle.
Bracket - component used to attach horizontal rails to vertical posts.
Casemenet Sash Unit - a combination of frame, casement sash, weatherstrip and operating device assembled as a complete and properly operating unit; screens and/or storm sash are optional.
Casement Window - windows with sash hinged at the sides. It usually swings open by a means of a crank-type hardware system.
Column Connector - bracket which connects to a round surface and makes a square face to attach railing brackets.
Corner Post - fence post used at any corner; routed on two adjacent sides.
Divided Lights - window or door panes separated by bars and muntins.
Double Hung Window - consists of two sash, top and bottom, which (1) slide vertically, past each other, (2) are joined by a meeting rail, and (3) are held in any open position by means of weights or one of several types of balancing devides.
End Post - Fence post used at the end of a run; routed on one side.
Extension Jambs - flat parts which are nailed to the inside edges of the window or door frame, so that it will fit a wider wall.
Foot - extra support member in center of railing span.
Frame - parts which enclose the window or door sash; they are attached to the wood members lining the rough opening.
Glazing - glass or other transparent materials, used for windows; also the act of installing the glass.
Glazing Bead - a strip surrounding the edge of the glass in a window or door; applied to the sash on the outside, the glazing bead holds the glass in place.
Glazing Compound - a plastic substance of such consistency that it tends to remain soft and rubbery when used in glazing sash and doors; unlike putty, it resists hardening, cracking and eventually failure.
Grille - an ornamental item that visually divides a piece of glass into separate panes.
Headboard - a flat board cut to fit the contour of a bow or bay window; it is installed between window frame and the surrounding wall surface, to create a kind of ceiling.
Header - a horizontal structural member that supports the load over an opening, such as a window or door.
Hopper - an upside-down awning window, hinged at the bottom and opening inward from the top; many basement windows are this type. Also frequently referred to as a ranch-type window.
Horizontal Sliding Window - consists of two or more sash which slide horizontally past each other, one or more of the sashes may be fixed or inoperative or all sash may operate, the sash comes together and forms a vertical-meeting rail (stile) in a closed position.
Jamb - the top and two sides of a door or window frame which contact the door or sash; top jamb and side jambs.
Line Post - fence post used in a straight line situation; routed on opposite sides.
Lock - hardware which keeps windows or doors shut. (Usage - locks for swinging windows have a “keeper” a protruding, hook-shaped piece attached to inside face of the stile, sliding windows have “latches”, two-piece units attached to adjoining rails.)
Low-Emissivity Glass (LowE) - glass which restricts the passage of radiant head, in and out; a metal and metal oxide coating is either suspended between the two layers of glass, or affixed to one of the panes, separated by a small air space.
Mullion - the upright or vertial member of dividing the panels in a door; the vertical member of a sash, window or door frame between openings in a multiple-opening frame; the mullion is known as the “mullion center.”
Multiple-Opening Frame - a window or door frame consisting of at least one mullion.
Muntin - a short “bar”, horizontal or vertical, extending from a bar to a stile, rail, or another rail.
Opening - a discontinuity in an exterior or interior wall to admit a door or window.
Outside Opening (Tip to Tip) - the measurement from outside of a millwork assembly.
Rough Opening - the opening formed by a framing member; “Buck Opening.”
Operator - crank-type hardware for opening a window which swings outward; a jointed, metal arm keeps the window open at any position.
Picket - evenly spaced raling supports (<4” apart).
Porch Rail Kit - horizontal railing option that includes rails, aluminum reinforcement, pickets, brackets, and intructions.
Post Cap - decorative cover atop post cover.
Post Cover - square vinyl extrucion that slips over a 4 x 4 pressure treated post or unimount.
R-Value - an industry measurement of the resistance to heat flow through a give material. (Usage - the greater the R-value, the greater the resistance to heat flow.)
Rail - horizontal vinyl which connects between any two posts.
Rough Opening - an unfinished wall or ceiling opening, where a window or door will be installed.
Rough Sill - the horizontal wood member linking the bottom of a rough opening for a window or door.
Sash - a single assembly of stiles and rails into a frame for holding glass, with or without dividing bars or muntins, to fill a given opening; it mayb e either open or glazed.
Sash Balance - one of several types of mechanical sash-activation devides; primarily these balances include coiled springs, spiral springs or other spring-types devices for raising and lowering the sash
Seatboard - a flat board cut to fit the contour of a bow or bay window; it is installed between the sills and the surrounding wall surface, to provide a seat or shelf space.
Sheetrock Window - any window large enough to pass a sheet of sheetrock through.
Sill - lower, horizontal member of the window or door frame.
Single Hung Window - similar to a double hung window with the top sash stationary or nonoperative while the bottom sash operates freely, vertical slider.
Size - measurement of millwork items and members.
Glass Size - one of the three measurements of a window or sash unit; glass size is measured from stile to stile and from rail to rail inclusive of the muntins and bars and is always in inches; the size of a pane of glass of any sash or door light
Outside Opening Size - measurement from outside to outside of any given item; unit measurement.
Window Opening Size - the dimensions of the window frame required to accomodate the window, in feet and inches.
Window Rough Opening Size - the size of the rough frame wall opening to receive the window or sash unit; given in feet and inches; also the “buck opening.”
Spindle - evenly spaced railing supports (<4” apart.)
Stair Rail Kit - vertically adjustable railing option that includes rails, aluminum reinforcement, pickets, brackets, and instructions.
Stile - the upright or vertical outside pieces of a sash, door, blind, or screen.
Stool - a moulded interior trim member serving as a sash or window frame sill cap.
Two-Piece Post Skirt - decorative trim piece surrounding the bottom of the post cover.
U-Value - the overall heat transfer rate through a combination of materials; it is measured by the BTU’s (energy units) per hour per square foot per degree of temperature difference. (Usage - the lower the U-value, the lower the heat transfer rate in specified conditions.)
Unimount - alternative to a 4 x 4 post that can be lag bolted to an existing deck.
Weatherstrip - variously shaped metal, vinyl plastic or moulded - fibre strips which fit tightly against the sash or door frame parts to prevent air infiltration through cracks.
Window - consists of two or more single sash to fill a given opening; may be open or glazed.
Window Frame - a group of wood parts machined and assembled as to form an enclosure and support for a window or sash.
Window Jamb - the part of the window frame which surrounds and contacts the window or sash that the frame is intended to support.
Window Stop - a moulding to hold the bottom sash of a double hung window in place.
22 1/2 Degree Wedge - component which offsets railing angle by 22 1/2 degrees; for use around a gazebo or other angled structure.
45 Degree Bracket - component which offers railing angle by 45 degrees (Whitman only.)
|
