AWS EDITION 1, 2009

© 2009, AWI, AWMAC, WI - Architectural Woodwork Standards - 1st Edition, October 1, 2009 65

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 16 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



4.2b

S O F T W O O D 

MATERIAL - SOFTWOOD (continued)



4.2b.6

O P A Q U E

OPAQUE FINISH (continued)



4.2b.6.4

A L L O W A N C E S

NATURAL CHARACTERISTIC ALLOWANCES (continued)

4.2b.6.4.11 PITCH POCKET or STREAK

4.2b.6.4.11.1 < 1/8" (3 mm) wide x 9" (229 mm) long M

4.2b.6.4.11.2 < 1/8" (3 mm) wide x 6" (152 mm) long M

4.2b.6.4.11.3 < 1/8" (3 mm) wide x 3" (76 mm) long

4.2b.6.4.12 SAPWOOD - Unlimited

4.2b.6.4.13 SHAKE, Filled

4.2b.6.4.13.1 < 1/4" (6 mm) wide x 3" (76 mm) long M

4.2b.6.4.13.2 < 1/8" (3 mm) wide x 3" (76 mm) long M

4.2b.6.4.13.3 < 1/16" (2 mm) wide x 2" (51 mm) long

4.2b.6.4.14 SPLIT, Filled

4.2b.6.4.14.1 < 3/32" (2 mm) wide x 9" (229 mm) long M

4.2b.6.4.14.2 < 1/16" (2 mm) wide x 7" (178 mm) long M

4.2b.6.4.14.3 < 1/32" (1 mm) wide x 5" (127 mm) long

4.2b.6.4.15 STICKER BOARD DISCOLORATION - Unlimited

4.2b.6.4.16 WORM HOLES, Filled

4.2b.6.4.16.1 < 3/16" (5 mm) in diameter M

4.2b.6.4.16.2 < 1/8" (3 mm) in diameter M

4.2b.6.4.16.3 < 1/16" (2 mm) in diameter M

4.2b.7

T R A N S P A R E N T 

TRANSPARENT FINISH

4.2b.7.1 MATCHING, when glued for thickness or width or when veneered construction is utilized,

shall be:

4.2b.7.1.1 Not required M

4.2b.7.1.2 Compatible for color and grain M

4.2b.7.1.3 Well matched for color and grain M

4.2b.7.2 FILLING of checks, splits, or other open characteristics is the responsibility of the finisher.

4.2b.7.3

L I M I T A T I O N S 

NATURAL CHARACTERISTIC LIMITATIONS of any one board's exposed face:

4.2b.7.3.1 NONE in any face smaller than 400 sq. in. (10160 sq. mm), with: M

4.2b.7.3.1.1 ONE permitted for each additional 200 sq. in.

(5080 sq. mm)

M

4.2b.7.3.2 A maximum of FOUR, with: M

4.2b.7.3.2.1

NO knots, pitch streaks, or pitch pockets within 24"

(610 mm) of one another

M

4.2b.7.3.3 NONE in any face smaller than 600 sq. in. (15240 sq. mm), with: M

4.2b.7.3.3.1

ONE permitted for each additional 300 sq. in.

(7620 sq. mm) M

4.2b.7.3.4 A maximum of THREE, with: M

4.2b.7.3.4.1 NO(914 mm) of one another knots, pitch streaks, or pitch pockets within 36" M

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