AWS EDITION 1, 2009

(Tina Sui) #1

© 2009, AWI, AWMAC, WI - Architectural Woodwork Standards - 1st Edition, October 1, 2009 83


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 14 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



4.1


GENERAL (continued)


4.1.10 CATHEDRAL-type figure shall be achieved by:
4.1.10.1 A single component in "AA" and "A" Face Grades.
4.1.10.2 The split-heart method in Face Grades "B - D", and:

4.1.10.2.1

Each half of a split heart shall be subject to the minimum component width
requirements for Face Grade "B".

4.2a


H A R D W O O D V E N E E R 


MATERIAL - HARDWOOD VENEER


4.2a.1 APPLIES to the following common species:

ANEGRE HICKORY OAK, Red & White
ASH LAUAN PECAN
BEECH MAHOGANY, African & Honduras POPLAR
BIRCH MAKORE SAPELE
CHERRY MAPLE WALNUT
4.2a.2 CORE shall be at option of manufacturer.
4.2a.3 VENEER shall be of sufficient thickness so as not to permit show-through of cross-banding after sanding or
finishing.
4.2a.4 EDGES of multi-leaf faces shall appear parallel.
4.2a.5 BACKING SPECIES shall be manufacturer's option.
4.2a.6 FIGURE is not a function of a species grade, and any special requirements shall have been so specified.
4.2a.7 NATURAL allows unlimited heartwood and/or sapwood within a face.

4.2a.8 GRAIN direction shall be at the option of the manufacturer unless otherwise specified in the contract
documents or required within Sections 6 - 12.
4.2a.9 ASH, BIRCH, and MAPLE permit both sapwood and heartwood.
4.2a.10 SELECT RED MAPLE is not an available species selection.
4.2a.11 RIFT GRAIN OAK shall allow up to twenty-five percent (25%) of the exposed surface area to contain
medullary ray flake.
4.2a.11.1 Medullary ray flake to be a maximum of 3/32" (2.4 mm) in width.
4.2a.12 For PRESELECTED FLITCHES, the following characteristics are not applicable.
4.2a.12.1 Owner's representative shall determine, in advance of bid, which characteristics and/or
defects are acceptable or are to be eliminated for the total face appearance.
4.2a.12.1.1 Yield and leaf width are directly related to this determination.
4.2a.13 VENEER FACE GRADE REQUIREMENT (based on the following HPVA definitions and characteristics)
4.2a.13.1 OPAQUE FINISH
4.2a.13.1.1 Grade D M
4.2a.13.1.2 Grade C M
4.2a.13.1.3 Grade B M
4.2a.13.2 TRANSPARENT FINISH
4.2a.13.2.1 Grade B M
4.2a.13.2.2 Grade A M
4.2a.13.2.3 Grade AA M

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