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Maki Building Centers - wood building terms Category: Agriculture and Industry > Building terms Date & country: 28/04/2018, USA Words: 20

Wavy-Grained
Wood in which the fibers collectively take the form of waves or undulations.

Vertical
Vertical has pinstripes with no growth rings over 45 degrees perpendicular to the face.

Quarter-Sawn
Also referred to as Edge-Grained Lumber.

Side-Grained
Also referred to as Flat-Grained Lumber.

Spiral-Grained
Wood in which the fibers take a spiral course about the trunk of a tree instead of the normal vertical course. The spiral may extend in a right-handed or left-handed direction around the tree trunk.

Straight-Grained
Wood in which the fibers run parallel to the axis of a piece.

Vertical-Grained
Also referred to as Edge-Grained Lumber.

Plain-Sawn
Also referred to as Flat-Grained Lumber.

Open-Grained
Common classification for woods with large pores such as oak, and walnut.

Plain Sawn
Plain Sawn has an arching grain.

Grain
A general term referring to the alignment, appearance, arrangement, color, direction, and size of wood fibers in a piece of lumber. Among the many types of grain are coarse, curly, fine, flat, open, spiral, straight, and vertical.

Interlocked-Grained
Grain in which the fibers put on for several years may slope in a right-handed direction, and then for a number of years the slope reverses to a left-handed direction, and later changed back to a right-handed pitch.

Diagonal-Grained
Wood in which the annual rings are at an angle with the axis of a piece as a result of sawing at angle with the bark of the tree or log.

Edge-Grained
Lumber that has been sawed so that the wide surfaces extent approximately at right angles to the annual growth rings.

Fiddleback-Grained
Figure produced by a type of fine wavy grain found in species of maple, for example, that is traditionally being used for the backs of violins.

Flat-Grained
Lumber that has been sawn parallel to the pith and approximately tangent to the growth rings.

Curly
Curly is the rarest.

Curly-Grained
Wood in which the fibers are distorted so that they have a curled appearance, as in ‘Birdseye’ figure.

Cross-Grained
Wood in which the fibers deviate from a line parallel to the sides of the piece. Cross grain may be either diagonal or spiral grain or a combination of the two.

Coarse-Grained
Wood with wide conspicuous annual rings in which there is considerable difference between earlywood and latewood. The term is sometimes used to designate wood with large pores, such as oak and walnut.