Interior & Exterior Wood Door - Hand Carved Mahogany, Oak, Teak, Walnut and Odum Doors.

Tuesday May 13th, 2008

Encyclopedia Glossary of
Door Terms

Active door	Cross bar	Out swing
Backset	Cross break	Panels
Bore	Cylinder bore	Patches
Bark	Deadbolt	Pre-hung
Bevel	Dead knots	Pitch
Beveled edge	Delamination	Rails
Blister	Discolorations	Rail (bottom)
Book size	Doze	Rail (top)
Brashness	Edge band	Rough opening
Burl	Face panels	Shake
Butt joint	Finger joint	Shims
Carving	Finishing	Show-through
Casing	Frame	Sidelight
Chalk	Gap	Slab
Chatter	In swing	Standard door
Chicken tracks	Jambs	Stiles
Clustered	Kiln-dried	Stiles and Rail construction
Composition face panels	Knife marks	T-Astragal
Core	Knot (sound)	Threshold
Core (Wood Block)	Knot holes	Warp
Core (Particleboard)	Knots (pin)	Bow
Core (Wood Block, Lined)	Lap	Cup
Core (Hollow)	Left hand	Tropical hardwood
Core (Ladder)	Lock block	Twist
Core (Mesh or Cellular)	Mortise	Wood flush door
Cross banding	Mull cap

Active door:
	The main door people use every time they enter a house. When a house has double doors, it is the door that is opened with the entry lockset. The other door is called the inactive door and only opens when the flash bolts are released.
Backset:
	The distance from the edge of the door to the center of the hole drilled for the entry lockset or deadbolt.
Bore:
	The diameter of the hole drilled in a door for an entry lockset knob, lever or deadbolt.
Bark:
	Areas of fiber from outside a tree.
Bevel:
	Machine angle other than a right angle. That is, a 3-degree bevel which is equivalent to a 1/8-in. drop in a 2-in. span.
Beveled edge:
	Edge of a door that forms an angle of less than 90 degrees with the wide face of the door, such as a 3-degree beveled edge.

Blister:
	Spot or area where veneer does not adhere.
Book size:
	The height and width of a door before pre-fitting.
Bow:
	A flat wise deviation from a straight line drawn from top to bottom; a curvature along the width of the door.
Brashness:
	Condition of wood characterized by low resistance to shock and by abrupt failure across the grain without splintering.
Burl:
	Swirl or twist in grain of wood, which usually occurs near a knot but does not contain a knot.
Butt joint:
	Joint formed by square edge surfaces (ends, edges, faces) coming together.
Carving:
	Authentic hand carvings by West African master craftsmen. All carvings are created by hand, using the most basic tools, hammer and chisel and sanding block. The complexity or simplicity of the carvings are only limited by the imagination of the client. The carvings commissioned by Unique Carved Door are selected for their simplicity and their decorative beauty and do not carry any cultural or religious significance.
Casing:
	A wooden trim around doors that cover seams between the doorjamb and surrounding wall. It has a strong impact on the overall style, appearance and proportion of door opening as well as the general style of your homes exterior. From a practical standpoint, it conceals the gap between the doorframe (called a jamb) and the rough opening and helps to hold the frame in the opening. A casing can range from relatively plain to very ornate and decorative.
Chalk:
	White or other color chalk marks used by mills for some form of identification marking defects for repair.
Chatter:
	Lines appearing across the panel at right angles to the grain giving the appearance of one or more corrugations resulting from bad setting of sanding equipment.
Chicken tracks:
	Expression for scars, which give the particular effect of a chicken's footprint. It is caused by air roots or vines.
Clustered:
	When a defect described in the grading rule is sufficient in number and sufficiently close together to appear to be concentrated in one area.
Composition face panels:
	A door face panel made of a wood derivative.
Core:
	Innermost layer of section in flush door construction. Types of construction include: wood block; particleboard; wood block (lined); hollow; ladder; mesh or cellular.
Core (Wood Block):
	Solid core of wood blocks or strips
Core (Particleboard):
	Sold core of wood or other lignocelluloses particles bonded together, cured under heat, and pressed into a rigid panel.
Core (Wood Block, Lined):
	Solid core of two parts: a central wood block core bonded to two core liners of wood or other lignocellulose materials.
Core (Hollow):
	Core assembly of strips or other units of wood, wood derivative, or insulation board, with intervening hollow cells or spaces that support outer faces.
Core (Ladder):
	Hollow core composed of strips of wood, wood derivative, or insulation board with the strips running either horizontally or vertically throughout the core area with air cells and/or spaces between the strips and supporting the door faces.
Core (Mesh or Cellular):
	Hollow core composed of strips of wood, wood derivative, or insulation board, interlocked and running horizontally, vertically, or diagonally throughout the core area with air cells and/or spaces between en the strips and supporting the outer faces.
Cross banding:
	Veneer placed between the core and face veneers of plywood face panels of wood flush doors in which the direction of the grain in 2-ply construction is at right angles to that of the face veneer.
	Core options for doors (see above)


Particleboard	Solid	Mesh or Cellular	Mineral

Cross bar:
	Type of figure or irregularity of grain resembling a dip in the grain, running at right angles, or nearly so, to the length of the veneer.
Cross break:
	Separation of wood cells across the grain.
Cup:
	A deviation from a straight line drawn from side-to-side; a curvature along the width of a door.
Cylinder bore:
	Refers to a machining procedure that requires a round hole to accommodate a standard entry lockset.
Deadbolt:
	A locking mechanism for entrance door or other door. Deadbolts can be a single or double cylinder. Both cylinders are accessed by use of a key. On a single cylinder, one side has a latch for interior access and a key for the external side. A double cylinder has requires a key on either side of the cylinder for both entry and exit. Double cylinders are only recommended for where no one needs access through the door in case of emergency.
Dead knots (also open knots):
	Openings where a portion of the wood substance of the knot has dropped out, or where cross checks have occurred to present an opening.
Delamination:
	Separation of plies or layers of wood or other materials through failure at an adhesive joint.
Discolorations:
	Stains in wood substances. Common are sap stains and glue stains.
Doze:
	Form of incipient decay characterized by a dull and lifeless appearance of the wood, accompanied by a lack of strength and a softening of the wood substance.
Edge band:
	Strip along the outside edges of the two sides and/or top and bottom of a door.
Face panels:
	Hardwood plywood, high-pressure laminate, hardboard, or composition panels or combination thereof, whether flat or configured, which are used for the faces of flush doors.
Finger joint:
	Series of interlocking fingers cut on the ends of two pieces of wood which mesh together and are held by adhesive.
Finishing:
	There are several steps that must be followed to finish wood in a manner to preserve wood. Sanding is an essential step to prepare the wood fibers to receive the stain (colour). 3 coats of fiber alkyd moisture seal are then applied with sanding between each application (special attention should be given to the extremities of the door and around any wholes that penetrate the wood fibers. 2-3 coats of a high quality (marine grade best) catalyzed polyurethane with ultraviolet absorber. Sand lightly between each coat Apply a stain brightener Detailed hand rubbed to smooth satin finish with a very fine grit sand paper
Frame:
	The set of jambs that hold the door unit together.
Gap:
	Open splits in the inner ply or plies, or improperly joined veneer when joined veneers are used for inner plies.
	Common interior doors styles


Interior Panel Doors		Side Light	Bifold

In swing:
	When the door opens into the house when opened
Jambs:
	This refers to the wood that surrounds the door unit. This is your frame unit to which the door unit (door, doors, and/or sidelights) is attached. Jamb is a part of the doorframe that runs vertically between header and sill. Jamb extensions or casing can be used to create a frame that matches the depth of the existing walls. The top member of a doorframe consists of a head jamb, two side jambs and a threshold or sill.
Kiln-dried:
	Lumber is dried in a closed chamber in which the removal of moisture is controlled by artificial heat and usually by relative humidity. The wood used in our products is kiln dried for a 2-week period to moisture content of 6-8 %. The wood is allowed to rest for a week to allow the wood to reabsorbed the ambient moisture in the air. This allows the wood to regain its dimensional stability that will prevent warping and splitting. This critical stage of moisture stabilization is the key to allow our doors to withstand the rigors of the 4 seasons in North American.
Knife marks:
	Very fine lines that appear across a panel that may look as if they are raised resulting from some defect.
Knot (sound):
	A cross-section of a branch or limb with grain usually running at right angles to that of the wood in which it occurs.
Knot holes:
	Voids produced by knots dropping from the wood in which they were originally embedded.
Knots (pin):
	Sound knots less than 1/4-in. in diameter.
Lap:
	Condition where veneers composing plywood are so misplaced that one piece overlaps the other and does not make a smooth joint.
Left hand:
	Term used to describe which way a door is hung on a jamb. As viewed from the outside, the side the hinges are on and the door swings into the house.
Lock block:
	Concealed block same thickness as a door stile or core which is adjacent to the inside edge of the stile at the midpoint and into which a lock is fitted.
Mortise:
	An elaborate machining process for special entry sets called a mortise lock
Mull cap:
	Interior and exterior trim for seam between door and sidelight
Out swing:
	When the door swings to the outside of the house when opened. Also known as a right hand swing
Panels:
	1” (35mm) standard thickness. Panels are carved to a depth of ¼”- ½”. Structural hardwood V-groove to stiles minimizes the possibility of separation. Panels are permanently bonded with type-1 waterproof glue and nail and dowel reinforced
Patches:
	Matching wood pieces carefully inserted and glued into the door face after defective portions have been removed.
Pre-hung:
	Doors or combinations of doors and sidelights put together with jambs, hinges, threshold, T-astragal and trim to make to make a working door system
Pitch:
	Bleeding resin
Rails:
	Cross or horizontal pieces of the framework of a wood flush door
Rail (bottom):
	Bottom cross or horizontal piece of a door.
Rail (top):
	Top cross or horizontal piece of a door.
Rough opening:
	An opening in a wall for your door and/or sidelight before any framing material has been applied. This space must be slightly larger than the total size of the door and the frame assembled together
Shake:
	Separation along the grain, the greater part of which occurs between the rings of annual growth.
Shims:
	A split repaired in a piece of wood veneer.
Show-through:
	Irregular surfaces visible on the face of a wood flush door.
	Styles, Common North American


Entrance Door	French Door	Insulated Glass Door

Sidelight:
	A fixed panel of wood and glass next to a door
Slab:
	Door only. Usually referred to as a wood slab, carved and ready for finishing
Standard door:
	By industry practice, a standard door is book size in both width and height.
Stiles:
	Upright or vertical pieces of the framework of a wood flush door.
Stiles and Rail construction:
	Mortise and tenon construction method, panels are fastened with exterior type-1 waterproof glue and reinforced with nails and wood dowels
T-Astragal:
	A vertical piece of wood molding that fits between double doors, to provide an effective weather seal. It is attached to the inactive door of a double door unit. It houses the flush bolts of the door set.
Threshold:
	The part of the door unit that is attached to the floor under the door
Warp:
	Any distortion in the plane of a door itself and not its relationship to the frame or jamb in which it is to be hung. Warp includes bow, cup, and twist:
Tropical hardwood:
	Wood species grown in equatorial regions of the world, prized for their outstanding natural colour, wood grains and hardiness
Twist:
	A deviation in which one or two corners of a door are out of plane with the other corners of the door.
Wood flush door:
	Stressed skin construction consisting of a core, stiles, and rails, and or/edge banding, two face panels, almost all of which are wood, wood derivative. materials, or high-pressure decorative laminate.
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