AWS EDITION 1, 2009

(Tina Sui) #1

86 © 2009, AWI, AWMAC, WI - Architectural Woodwork Standards - 1st Edition, October 1, 2009


As may be updated by errata at http://www.awinet.org, http://www.awmac.com, or http://www.woodworkinstitute.com/awserrata/

Section 4 - Sheet Products (Page 17 of 31)


PRODUCT


SHEET PRODUCT RULES (continued)
These rules are not intended to create a face grade; they are intended only to establish the acceptable requirements and/
or characteristics after the architectural woodwork is completed or installed.

DESCRIPTION E C P



4.2a


H A R D W O O D V E N E E R 


MATERIAL - HARDWOOD VENEER (continued)



4.2a.15

D E F I N I T I O N S


TERMINOLOGY DEFINITIONS (continued)


4.2a.15.7 CROSS BARnearly so, to the length of the veneer.: Irregularity of grain resembling a dip in the grain running at right angles, or

4.2a.15.8 FLECK, RAYa dominant appearance feature in Oak.: Portion of a ray as it appears on the quartered or rift-cut surface. Fleck is often

4.2a.15.9 GUM POCKETSevidence of prior gum accumulations.: Well-defined openings between rings of annual growth, containing gum or

4.2a.15.10 GUM SPOTS AND STREAKSby prior resin accumulations sometimes found on panel surfaces.: Gum or resinous material or color spots and streaks caused

4.2a.15.11 HAIRLINE SPLITS: A thin, perceptible separation of wood fibers running parallel to the grain.

4.2a.15.12 HEARTWOOD: The nonactive or dormant center of a tree generally distinguishable from the
outer portion (sapwood) by its darker color.

4.2a.15.13 KNOT: Cross-section of a tree branch or limb with grain usually running at right angles to that
of the piece of wood in which it occurs.

4.2a.15.14 KNOT, CONSPICUOUS PIN: Sound knots 1/4" (6.4 mm) or less in diameter containing dark
centers.

4.2a.15.15 REPAIRSachieve a sound surface.: A patch, shim, or filler material inserted and/or glued into veneer or a panel to

4.2a.15.16

RIFT-CUT: A straight grain appearance achieved through the process of cutting at a slight
angle to the radial on the half-round stay log or through the use of veneer cut in any fashion
that produces a straight grain with minimal fleck.

4.2a.15.17

ROUGH CUT: Irregularly shaped areas of generally uneven corrugation on the surface of
veneer, differing from the surrounding smooth veneer and occurring as the veneer is cut by
the lathe or slicer.

4.2a.15.18

RUPTURED GRAIN: A break or breaks in the grain or between springwood and summerwood
caused or aggravated by excessive pressure on the wood by seasoning, manufacturing, or
natural process. Grain appears as a single or series of distinct separations in the wood, such
as when springwood is crushed, leaving the summerwood to separate in one or more growth
increments.

4.2a.15.19 SAPWOOD: The living wood of lighter color occurring in the outer portion of a tree;
sometimes referred to as sap.

4.2a.15.20 SLIGHT: Visible on observation, but does not interfere with the overall aesthetic appearance
with consideration of the applicable grade of the panel face.
4.2a.15.21 SPLITS: A separation of wood fiber running parallel to the grain.
4.2a.15.22 STREAKS, MINERAL: Natural discoloration of the wood substance.

4.2a.15.23 VINE MARKScaused by the growth of climbing vines around the tree.: Bands of irregular grain running across or diagonally to the grain, which are

4.2a.15.24 WORM HOLES OR TRACKS: Holes or lines resulting from infestation of worms.
4.2a.16


The following SUMMARY CHARTS of ALLOWABLE WOOD VENEER FACE GRADE CHARACTERISTICS
are printed with permission from the Hardwood Plywood Veneer Association and their ANSI/HPVA HP1
standards (latest edition).
4.2a.16.1 Allowable characteristic tables for STAND-ALONE DOOR FACES are in Section 9.

4

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