94 © 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 25 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
4.2b
S O F T W O O D V E N E E R
MATERIAL - SOFTWOOD VENEER (continued)
4.2b.7C H A R A C T E R I S T I C S
The following SUMMARY CHARTS (continued)4.2b.7.2 - DOUGLAS FIR (PS-1 latest edition)
Species Douglas Fir
Cut Rotary Cut
Grade Description NAB
Color and Matching
Sapwood Yes - 100% Yes Yes
Heartwood Yes - 100% Yes Yes
Color Streaks or Spots No Yes Yes
Color Variation Well Matched Yes Yes
Stain No Yes Yes
Type of Matching
Rotary Sliced Ye s
Natural Characteristics
Chipped or Depressed Areas Less then 1/8" x 1/4"(3.2 mm x 6.4 mm) (12.7 mm x 50.8 mm)Less then 1/2" x 2" (12.7 mm x 50.8 mm)Less then 1/2" x 2"
Cracks or Checks Less then 1/32" (0.8 mm) wide Less then 3/16" (4.8 mm) wide Less then 3/16" (4.8 mm) wide
Knots, tight No No Yes, maximum 1" (25.4 mm) dia.
Pitch Streaks Average 3/8" (9.5 mm) wide andblended in color with wood Average 3/8" (9.5 mm) wide andblended in color with wood Average 1" (25.4 mm) wide andblended in color with wood
Pitch Pockets No No No
Splits Repaired - less then 1/16" x 2"(1.6 mm x 50.8 mm) Repaired - less then 1-1/4" (31.8 mm) x unlimited Open - less then 1/32" (0.8 mm)
Worm or borer holes No No Yes
Manufacturing Characteristics
Rough Cut No No Yes, maximum 5% of face
Repairs Maximum 6, well matched Maximum 16, excluding shims Unlimited
Patches 1" x 3-1/2" (25.4 mm x 88.9 mm)Maximum 3 "Router Patches" 2-1/4" x 4-1/2" (57.2 mm x 114 mm)Boat, Router, or Sled, maximum Maximum 4" (102 mm) wideShims Maximum 3/16" x 12"(4.8 mm x 305 mm) Ye s Ye s4