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Veneer Matching Methods.
Designers can choose from the various hardwood species
and beyond this, from the range of figure and grain patterns within each
species. "Matching" refers to the arrangement of veneer strips
of similar or varying grain patterns within a given panel or from panel to
panel. Here are some of the more common matching techniques in use in the
industry today:
[Rotary
cut] [Book Match] [Slip
Match] [Random Match] [Balance
Match] [Balance & Center Match]
[Running Match]
The most commonly used for Rotary Cut Panels. The panel is a
single sheet of rotary cut veneer, creating a continuous grain
character across the entire sheet.
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The most commonly used match in the industry. Every other
piece of veneer is turned over so adjacent pieces (leaves) are
"opened" like pages of a book.
Visual Effect - Veneer joints match, creating a
symmetrical pattern. Yields maximum continuity of grain. When
sequenced panels are specified, prominent characteristics will
ascend or descend across the match as the leaves progress from panel
to panel.
NOTE: May be used with plain, quarter, or rift sliced veneers.
Because the "tight" and "loose" faces alternate
in adjacent leaves, they reflect light and accept stain differently,
and this may yield a noticeable color variation in some species or
flitches. Commonly known as barber poling.
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Often used with quarter sliced and rift sliced veneers.
Adjoining leaves are placed (slipped out) in sequence without
turning, resulting in all the same face sides being exposed. This
also eliminates chance of barber poling.
Visual Effect - Grain figure repeats but joints do not
show grain match.
NOTE: The lack of grain match at the joints can be
desirable. The relatively straight grain patterns of quartered and
rift veneers
generally produce pleasing results and uniformity of color because
all faces have the same light refraction.
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Veneer leaves
are placed next to each other in a random order and orientation,
producing a "board-by-board" effect in many species.
Visual Effect -
Casual or rustic appearance, as though individual boards from a
random pile w&re applied to the product. Conscious effort is
made to mismatch grain at joints.
NOTE: Degrees of
contrast and variation may change from panel to panel. This match is
more difficult to obtain, when looking for uniformity than, Book or Slip
Match, and must be clearly specified and detailed.
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Each
panel face is
assembled from veneer leaves of uniform width before edge trimming.
Panels may contain an even or odd number of leaves, and distribution
may change from panel to panel within a sequenced set. While this
method is the standard for Premium Grade, it must be specified for
other Grades, and it is the most common assembly method at moderate
cost.
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Each
panel face is
assembled from an even number of veneer leaves of uniform width
before edge trimming. Thus, there is a veneer joint in the center of
the panel, producing horizontal symmetry. A small amount of figure
is lost in the process. Considered by some to be the most pleasing
assembly at a modest increase in cost over Balance Match.
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Each
panel face is assembled from as many veneer leaves as necessary.
This often results in a non-symmetrical appearance, with some veneer
leaves of unequal width. Often the most economical method at the
expense of aesthetics, it is the standard for Custom Grade and must
be specified for other Grades. Running matches are seldom
"sequenced and numbered" for use as adjacent panels.
Horizontal grain "match" or sequence cannot be expected.
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