Door_n_Window_Glossary.pdfVIP

The Door and Window Glossary 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 which 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 prefitting. 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. 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 chickens 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