AWS EDITION 1, 2009

62 © 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 3 - Lumber (Page 13 of 18)

PRODUCT

LUMBER RULES (continued)

These rules are not intended to create a lumber grade; they are only intended 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

MATERIAL - HARDWOOD (continued)



4.2a.11

T R A N S P A R E N T

TRANSPARENT FINISH (continued)



4.2a.11.4

A L L O W A N C E S

NATURAL CHARACTERISTIC ALLOWANCES (continued)

4.2a.11.4.9 KNOT, Checked

4.2a.11.4.9.1 < 1/2" (13 mm) in diameter M

4.2a.11.4.9.2 < 1/4" (6 mm) in diameter M

4.2a.11.4.9.3 None M

4.2a.11.4.10 MINERAL STAIN

4.2a.11.4.10.1 Unlimited M

4.2a.11.4.10.2 < 10% of face M

4.2a.11.4.10.3 None M

4.2a.11.4.11 PATCH

4.2a.11.4.11.1 < 1-1/2" (38 mm) wide x 3-1/2" (89 mm) long, and inconspicuous from 60" M

4.2a.11.4.11.1 < 1-1/2" (38 mm) wide x 3-1/2" (89 mm) long, and inconspicuous from 36" M

4.2a.11.4.11.2 None M

4.2a.11.4.12 PITCH POCKET or STREAK

4.2a.11.4.12.1

< 1/16" (2 mm) wide x 6" (152 mm) long or

1/8" (3 mm) wide x 4" (102 mm) long M

4.2a.11.4.12.2 None MM

4.2a.11.4.13 SAPWOOD, in unselected species - Unlimited

4.2a.11.4.14 SAPWOOD, in select Red Birch and Brown Ash - None

4.2a.11.4.15 SAPWOOD in Cherry, and Walnut

4.2a.11.4.15.1 Unlimited M

4.2a.11.4.15.2 < 10% of face M

4.2a.11.4.15.3 < 5% of face M

4.2a.11.4.16 SHAKE

4.2a.11.4.16.1 < 1/8" (3 mm) wide x 3" (76 mm) long M

4.2a.11.4.16.2 None MM

4.2a.11.4.17 SPLIT

4.2a.11.4.17.1 < 3/32" (2 mm) wide x 8" (203 mm) long M

4.2a.11.4.17.2 < 1/16" (2 mm) wide x 6" (152 mm) long M

4.2a.11.4.17.3 < 1/32" (1 mm) wide x 4" (102 mm) long M

4.2a.11.4.18 STICKER BOARD DISCOLORATION

4.2a.11.4.18.1 < 10% of face M

4.2a.11.4.18.2 None MM

4.2a.11.4.19 WORM HOLE

4.2a.11.4.19.1 < 1/8" (3 mm) in diameter M

4.2a.11.4.19.2 < 1/16" (2 mm) in diameter M

4.2a.11.4.19.3 None M

3