ACTIVE LEAF
that leaf or both leaves of a pair of doors for which the locking or latching mechanism or other operating hardware are intended
ADJUSTABLE BASE ANCHOR
a device used to anchor frames to a depressed slab or below finished floor line
ADJUSTABLE FRAME
frame with profile in two or more pieces that will adjust to accommodate several wall thickness—also known as expandable frame
AIR CONDITIONING GRILLE
see grille or inserted grille
ANCHOR
a device for attaching frame to the surrounding structure
APPLIED STOP
surface mounted stop attached to a cased opening
APPLIED TRIM
decorative piece applied onto the face of a frame
ASTRAGAL (OVERLAPPING OR WRAP-AROUND)
a vertical moulding attached to the meeting edge of one leaf of a pair of doors for protection against weather conditions, to minimize the passage of light between the doors and/or to retard the passage of smoke, flame or gases during a fire—may be prepared for mortised hardware in lieu of door preparation
BACKBEND RETURN
turned in edge of backbend
BACKBEND
return leg member at back of frame profile
BASE ANCHOR (CLIP)
metal member attached to base of frame to secure frame to the floor, either fixed or adjustable
BASE ANCHOR EXTENSION
metal angle attached to the base of frame with the horizontal leg extending beyond the frame backbend—used to facilitate the use of power tools in attachment of frame to floorBASE -see sill
BEVELED EDGE
the edge of a door which is not at a 90 degree angle to the face of the door (standard bevel is 1/8 inch in 2 inches)—narrow side of door is side in contact with stop of frame when door is closed
BEVELED SQUARE EDGE
the edge of a door which is at a 90 degree angle to the face across that portion required for lock mortising—the corners are beveled for clearance in swinging
BLANK JAMB
vertical member of frame without hardware preparation—used when doors are furnished with push and pull hardware or surface mounted strikes and single or double acting floor hinges
BORROWED LITE
four-sided frame installed in an interior partition prepared for field installation of stationary (fixed) glazing
BOTTOM RAIL
horizontal member at the bottom of door connecting lock stile with the hinge stile—may be integral with face
BUCK
an archaic term for a door frame
BUTTED FRAME
frame which fits against wall structure rather than around it—frame depth is normally equal to or less than the wall thickness
CABINET JAMB
frame in three or more pieces applied as the finished frame over rough buck—see rough buck
CASED OPENING
frame section without stops
CEILING STRUT
adjustable vertical supporting member that extends from jamb or header to structure above normally used in wet plaster walls or as intermediate support for smoke barriers
CENTER PANEL
portion of door between hinge and lock stile
CENTER RAIL (MID-RAIL)
horizontal member in door usually located at lock height used to separate upper and lower lites or panels—may be integral with face
CLOSER REINFORCING (CORNER BRACKET)
reinforcing in soffit of frame header and jambs to provide additional strength for attachment of corner brackets
CLOSER REINFORCING (PARALLEL ARM)
reinforcing in soffit of frame header to provide additional strength for attachment of closer brackets
CLOSER REINFORCING (REGULAR ARM) (TOP JAMB)
reinforcing in face of frame header to provide additional strength for the attachment of door closer
CLOSER REINFORCING SLEEVE
formed plate inside frame header conforming to soffit, rabbet, and face profile to provide additional strength for door closer attachment
CLOSER REINFORCING
reinforcing in door to provide additional strength for attachment of door closers—does not include drilling and tapping of mounting holes
COMMUNICATING FRAME
double rabbeted frame with both rabbets prepared for single-swing doors—doors swing in opposite directions—both doors may be of the same or opposite hand
COMPLETED OPENING ANCHOR – see existing wall anchor
COMPOSITE DOOR
a door consisting of a solid core bonded to a metal facing
CONTINUOUS WELD/CONTINUOUS WELDED DOOR
weld along vertical door edge seam which is unbroken along its entire length except at hardware cutouts or mortises
CONTINUOUS WELD
weld which is unbroken, no unwelded gaps or spaces, over its entire length
CORE
internal construction in a steel door
CORNER POST
vertical closed profile used at corner intersection of multiple elevation frames
CORNER REINFORCEMENT (GUSSET)
reinforcing at junction of head and jambs used in interlocking of knock-down (K.D.) frames—may be used as alinement feature on welded frames
CUTOFF STOP
see terminated stop
CUTOUT (FRAME)
a piercing in frame to accommodate a hardware item, mortised hardware or for other items
CUTOUT (DOOR)
a piercing for hardware, lite, louvers, and/or accessories
CYLINDRICAL LOCK PREPARATION
see ANSI/DHI A 115.2 and A115.18 for data. Available from the Door and Hardware Institute, 14170 Newbrook Drive, Chantilly, VA 22021
DEPTH
see jamb depth
DOOR CLEARANCE
the space between door and frame rabbet, between door and finished floor, or between meeting edges of pairs of doors
DOUBLE ACTING DOOR
type of door prepared for pivot or spring type hinge permitting the door to swing 90 degrees in either direction
DOUBLE ACTING FRAME
frame prepared for one or two double acting doors—cased opening frame is normally used
DOUBLE EGRESS FRAME
a double door frame prepared to receive two single-acting doors swinging in opposite directions—both doors to be of the same hand
DOUBLE EGRESS MULLION
mullion used to divide pairs of doors in some types of double egress frames
DOUBLE RABBET FRAME
frame having recesses capable of receiving doors on both sides of stop. Normally only one recess is prepared for a door.
DOUBLE RETURN see backbend return
DOUBLE SWING FRAME (PAIR SWING FRAME)
frame prepared for a pair of single-acting doors, both of which swing in the same direction
DRYWALL FRAME (BUILT-IN)
a frame with steel or wood studs anchors designed to be used in a steel stud or wood stud partition which is installed after the frame is set
DRYWALL FRAME (SLIP-ON)
frame designed to be installed on a wall composed of steel or wood studs with ypsumboard or other facing material not requiring wet plaster or masonry finishing—it is installed after the wall is erected
DUST COVER BOX
-see plaster guard
DUTCH DOOR (DESIGN D)
a door having two separate leaves, hung one over the other, usually equipped so that both leaves can be operated independently— lower leaf frequently has a service shelf
DUTCH DOOR FRAME
frame prepared for dutch door
EMBOSSED PANEL DOOR
a door design incorporating decorative panels formed or embossed into door faces
End Cap
a piece used to provide flush condition for doors with recessed top and bottom
END CHANNEL (CLOSURE)
horizontal channel welded into top and bottom of doors for strength and rigidity
EXISTING WALL ANCHOR
metal piece inside throat of frame which provides necessary reinforcing when frame is secured in an existing wall using screws and expansion shields
EXTENSION BELOW FLOOR
distance jamb pieces extend below finish floor to attach to sub floor
FACE (FRAME)
exposed part of frame when viewed perpendicular to face of the door also referred to as trim
FACE (DOOR)
surface of door exposed to view when closed
FILLER PLATE
blank plate used to fill mortised cutouts
FILLER SECTION
– see throat filler
FIXED TRANSOM
inoperable panel or glass lite above door opening
FLOOR ANCHOR (CLIP) see base anchor extension
FLOOR CLEARANCE (1) (UNDERCUT)
clearance between bottom of frame and bottom of door—The floor clearance may not be the same as the clearance between the bottom of the door and the finished floor—the floor clearance can only be determined after the finished floor material is in place
FLOOR STRUT
an archaic term—see adjustable base anchor
FLOOR TO CEILING UNIT
an assembly with door and fixed panel above—no transom bar between—design of panel makes it appear to be extension of door
FLUSH DOOR
a door without glass lite and/or louvers
FLUSH PANEL TYPE DOOR (STILE & PANEL CONST.)
a model of door consisting of one center panel and one lock stile and one hinge stile—stiles are butted to and interlock with panels— an archaic construction method
FLUSH PANEL TYPE DOOR (STILE & RAIL CONST.)
a model of door using stiles and rails either mitered or butted, the corner joints being welded and ground smooth—panels interlock with the stiles and rails and are stiffened by internal reinforcing— joint lines between the panels, stiles and rails may be left visible— surface of panels and stiles lie in a parallel plane—the panels may be recessed an amount equal to the thickness of the stile metal
FRAME CLEARANCE
space between door and stop of frame—normally designed to accommodate rubber silencer
FRAME GASKET
strips (felt, sponge, rubber, etc.) used at frame stops or soffit for smoke, light, or weather protection
FREE AIR AREA
expressed as a percent ratio of actual air passage area to louver or grille total area—higher percentage indicates greater air transfer capacity
FULL FLUSH DOOR
a design of door formed from two sheets of metal—top and bottom of the door may be either flush, or closed with recessed channel end closures—seams are visible on door edge only
FULL GLASS DOOR (DESIGN FG)
a design of door having glass the entire height and width of the area surrounded by rails and stiles—door may have horizontal muntins dividing up the glass area—stiles and rails may be integral with faces
FULL LOUVERED DOOR
a design of door having louvers the entire height and width of the area surrounded by rails and stiles—stiles and rails may be integral with faces
GASKETTED FRAME
a frame having gasket materials applied either directly to the stop, into a kerf, or part of an applied stop
GLASS STOP
fixed trim on a glass lite door against which glass is set
GLAZING BEAD (FRAME)
removable trim at a glazed opening to hold glass securely in place
GLAZING BEAD (DOOR)
removable trim on a glass lite door that holds glass firmly in place
GLAZING MOULDING see glass stop
GRILLE
an inserted unit made up of a series of fins or a perforated plate to allow the passage of air through the door—usually greater free air area than a louver
GROUTED FRAME
frame completely filled with mortar or plaster used in wall construction
HALF GLASS DOOR
a design of door having glass in upper portion only
HAND
term used to designate direction in which door swings
HANDING
the swing of the door, e.g., right hand or left hand. To determine the hand of a door, view the door from the outside—the side that the hinges are on is the hand of the door—if the door swings away from the viewer, the hand is a regular hand, i.e., right or left hand— if the door swings to the viewer, the door is reverse swing, i.e., right hand reverse swing or left hand reverse swing
HARDWARE PROFILE
portion of adjustable frame or mullion onto which the door is normally attached
HEAD STIFFENER
a heavy gage angle or channel section placed inside of, and attached to, the head of a wide door frame to maintain its alignment — not to be used as a load-carrying member
HEADER (HEAD)
horizontal frame member at top of opening or top member of transom frame
HINGE BACKSET
distance from leading edge of hinge to stop on frame
HINGE BACKSET
distance from edge of hinge to stop side of door
HINGE FILLER PLATE
plate installed in hinge cutout when hinge is not required
HINGE FILLER
small removable trim part located between hinge leaf and hinge reinforcements—its position can be reversed to accommodate change of door handing
HINGE JAMB
vertical member of frame prepared for installation of hinges
HINGE REINFORCEMENT
structure to which hinge is attached—used to provide adequate strength at preparation for hinge in frame
HINGE SIDE (FACE)
that face of a door viewed when observing the hinge knuckles on the door and frame—an aid in handing door or noting security side of glass bead or inserted louvers—see “wide side”
HINGE STILE (HINGE EDGE)
vertical member of a door prepared for installation of hinge
HORIZONTAL MUNTIN
member used to divide glass panels horizontally—see muntin
HOSPITAL STOP
see terminated stop
IMPOST see mullion
INACTIVE LEAF
the door leaf in a pair of doors which is normally held closed by top and bottom bolts
INSERTED GRILLE
grille that is fabricated separately and inserted into a preparation in the door
INSERTED LOUVER
louver that is fabricated separately and inserted into a preparation in the door
INTERCONNECTING FRAME see communicating frame
JAMB DEPTH
overall width of frame profile—face to face dimension
JAMB EXTENSION see extension below floor
JAMB
a vertical member of the frame assembly, adjacent to wall
KERFED FRAME
frame that is formed with an integral pocket or recess in the area of the stop to receive gasket or seals
KEY SIDE
reference point used to determine outside of door—sometimes required for handing or determination of secure side of glass bead or louvers
KEYED-IN-FRAME
frame erected with plaster or mortar forced behind frame backbend— wall thickness is equal to or greater than frame throat, but no wider than frame depth
KNOCKED DOWN (KD) FRAME
door frame furnished by manufacturer in three or more basic parts for assembly in the field
LABELED DOORS (CLASSIFIED DOORS)
door that conforms to all applicable requirements and procedures of governing labeling authority and bears their identification label or mark
LABELED FRAME
frame that conforms to all applicable requirements and procedures of governing labeling authority and bears their identification label or mark
LEAD LINED FRAME
frame internally covered with lead sheet to prevent radiation penetration
LEAF
an individual door, used either singly or in multiples
LITE
preparation in a door for view window, vision and/or glazing including glass stop and glazing bead
LOCK BACKSET
distance from centerline of lock front to centerline of function holes measured at mid-point of door thickness
LOCK EDGE
that vertical edge of a swing door which is opposite the hinge edge; same as leading edge or strike edge
LOCK JAMB
see strike jamb
LOCK REINFORCEMENT
structure to which lock is attached—used to provide additional strength at preparation for lock in door
LOCK STILE (LOCK EDGE)
vertical member of a door prepared for installation of lock
LOUVER (AUTOMATIC)
an opening in the door with a series of slats or blades to allow passage of air, designed to close automatically in the event of fire
LOUVER (FUSIBLE LINK)
see louver (automatic)
LOUVER
an opening in the door with a series of slats or blades to allow passage of air—see SDI 111-C
LOUVERED DOOR
door design with one or more louvers
MASONRY ANCHOR (CLIP)
metal piece inside throat of frame which secures frame to masonry wall
MASONRY BOX (GUARD) see plaster guard
MEETING STILE
vertical lock or strike edge of a double door adjacent to the opposite door
MODULAR FRAME
frame designed to fit a 4″ module or unit of measurement
MORTISE LOCK PREPARATION
see ANSI/DHI A115.1 for detailed data
MORTISE PREPARATION
cutout, reinforcing, drilling and tapping for hardware which is to be mortised into frame
MORTISE (FRAME)
a recess on a minimum of 3 sides of the hardware item closely surrounding the contour of the item allowing its faceplate to finish flush with the frame surface
MORTISE (DOOR)
a recess in the door on a minimum of 3 sides of the hardware item closely surrounding the contour of the item allowing its faceplate to finish flush with the door surface
MULLION
tubular member set in a double door opening which will allow both door leaves to be active—may be fixed or removable—a mullion may also occur between a door and a sidelite or as a vertical and/ or horizontal member separating lites or panels
MUNTIN
formed member used to subdivide glass area in door
MUTE
see rubber silencer
NAIL ANCHORS (CLIPS)
see wood stud anchor
NARROW LITE DOOR (DESIGN N)
design of door with narrow rectangular lite at lock stile of door
NARROW SIDE (OF DOOR)
that face of the beveled edge door which contacts the frame stops—see stop side
OPENING SIZE
size of frame opening measured between rabbets horizontally and between top rabbet and bottom of frame vertically
OPERABLE TRANSOM
panel or glass lite above door opening which may be opened for ventilation purposes
PANEL INSERT
a metal panel usually used to convert a stile and rail type door to a flush or half glass type door
PIERCED LOUVER (DESIGN LP)
louver that is formed into the face sheets or panels of the door
PLASTER GUARD
the shield attached behind hinge and strike reinforcement to prevent mortar or plaster from entering mounting holes
POCKET DOOR FRAME
frame designed to allow door to slide inside pocket in wall
POCKET DOOR
a door that is prepared to slide into a pocket built in the wall
PREPARED OPENING ANCHOR
see existing wall anchor
PUNCHED LOUVER (DESIGN LP)
see pierced louver
RABBET
the recess or offset formed in the frame to receive a door, panel, or glazing
RECESS PANEL TYPE DOOR (STILES & RAILS)
a model of door using stiles and rails either mitered or butted— mitered joints are welded and ground smooth at the corners and butted joints are horizontally stiffened with U-shaped end closures— unmitered joints may be left visible—the recessed panels interlock with the stiles and consist of a metal face with a resilient separator— panels are nominally 3/8 inch thick
REINFORCING CHANNEL
– see end channel
REMOVABLE MULLION
a mullion which can be temporarily taken out of opening to allow the passage of large objects through the opening—it may be a frame or hardware member
REMOVABLE STOP
stop which is removable to allow installation of glass, fixed panel, or door
RETURN
see backbend
REVEAL (DOOR)
the distance from the face of the door to the face of the frame on the hinge or wide side
REVEAL (FRAME)
the distance from the face of the frame to the face of the finished wall
REVERSE BEVEL
refers to hand of door or lock on outswing doors
ROUGH BUCK
a sub-frame, usually channel shaped, attached to an existing wall to which the finished frame is attached—see cabinet jamb
RUBBER SILENCER (MUTE) (BUMPER)
part attached to the stop on a frame to cushion the closing of a door
SEAMLESS DOOR
a model of door formed from two sheets of steel. No exposed seams shall occur on the door face or vertical edge—the top and/or bottom of the door shall either be closed with a recessed channel end closure or shall receive a flush end closure treatment.
SIDELITE
same as borrowed lite except that it is attached to door frame
SILENCERSILL (FRAME)
bottom horizontal member of borrowed lite or sidelite
SILL ANCHOR (CLIP)
part used to fasten sill section to floor
ROUGH OPENING
size of wall opening into which frame is to be installed
SINGLE ACTING DOOR
type of door prepared for a pivot type or spring type single-acting hinge permitting the door to swing in one direction only
SINGLE RABBET FRAME
frame having only one rabbet—usually used with narrow jamb depths
SINGLE SWING FRAME
frame prepared for one swing door
SLEEVE REINFORCEMENT
see closer reinforcing sleeve
SLIP-ON FRAME
see drywall frame
SMOKE BARRIER
a door frame combined with sidelites on either or, both sides of door openings, including transom openings when and if required
SOFFIT
the portion of the frame between stops on a double rabbeted frame and the stop and the largest face on a single rabbeted frame
SOLID PLASTER ANCHOR (CLIP)
metal piece attached to inside throat of frame which secures frame to core section of a solid plaster wall—an archaic construction method
SOUND RATED DOOR
door with a published performance rating used for the reduction of sound through an opening—normally includes frame and gasketting supplied as a unit
SPACER
rigid plastic member added to returns of drywall frame to provide additional wall thickness flexibility
SPAT
protective covering (usually stainless steel) wrapped around bottom of frames to prevent or minimize damage in this area
SPLIT ASTRAGALSPLIT FRAME
a multi-piece frame which generally requires that a portion of the frame be installed from each side of the opening—see adjustable frame
SPREADER BAR
stiffening member placed at base of welded frame to keep frame in alignment during assembly, transportation and handling—not to be used for installation—reference SDI-105 and ANSI/DHI A115IG
SQUARE EDGE DOOR
unit with edges 90 degrees to its face
STAMPED LOUVER (DESIGN LP)
see pierced louver
STAMPED LOUVER PLATE
Formed sheets, surface applied over a prepared opening in door panels
STEEL STUD ANCHOR (CLIP)
metal piece inside throat of frame used to secure frame to steel stud
STICKS
linear lengths of frame sections used for fabrication of transom/ sidelite frames
STILE & RAIL
a model of door using stiles and rails either mitered or butted— corner joints welded and ground smooth—panel interlocks with stiles and rails and is provided with core or stiffeners—panel may be flush with (flush panel door) or recessed (recessed panel door) from faces of stiles and rails
STILT BASE ANCHOR
a device used to hold the bottom of frames above finished floorline— commonly used with terrazzo base—bottom of frame is above finished floor line
STOP
part of frame against which door closes
STRIKE JAMB
vertical member of frame prepared for installation of lock strike
