187
© 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 8 - Wall Surfacing (Page 16 of 32)
PRODUCT
MATERIAL, MACHINING, AND ASSEMBLY RULES (continued)
DESCRIPTION E C P
4.2
M A T E R I A L
MATERIAL (continued)
4.2.12At WOOD VENEER (continued)
4.2.12.4For TRANSPARENT (continued)
4.2.12.4.3 Allow FINGER JOINTS:
4.2.12.4.3.1 MILL OPTION M
4.2.12.4.3.2 One per 96" (2440 mm) of length MM
4.2.12.5 Not permit BLEED-THROUGH of adhesive at veneer joints that visually affects an applied finish.
4.2.12.6 At FIRE-RATED paneling, require:
4.2.12.6.1 Class I fire-rated phenolic BACKING SHEET, a minimum of .028” (0.7 mm).
4.2.12.6.2 Class I fire-rated, rigid-set ADHESIVE.
4.2.12S O L I D S T I L E & R A I L W O O D
At SOLID STILE and RAIL WOOD wall surfacing:
4.2.12.1 ADHESIVE bleed-through at joints is not permitted.
4.2.12.2 LUMBER shall be plain-sawn.4.2.12.3 VENEERED sheet products shall also comply with those requirements spelled out for Veneered Wall
Surfacing within this section.
4.2.12.4 For OPAQUE finish:
4.2.12.4.1 Shall be paint-grade hardwood or softwood at manufacturer's option. M
4.2.12.4.2 Shall be paint-grade hardwood. MM
4.2.12.4.3 Finger joints are permitted. M
4.2.12.4.4 Medium-density fiberboard is permitted.
4.2.12.5 For TRANSPARENT finish, finger joints are permitted. M
4.2.12.6P A N E L S
PANELS:
4.2.12.6.1 Shall be solid-stock or veneered construction, at the manufacturer's option.
4.2.12.6.2F
L
A
T
If FLAT shall be:
4.2.12.6.2.1 SOLID WOOD:4.2.12.6.2.1.1
Minimum 1/2" (12.7 mm) in thickness
and maximum 23-3/4" (603 mm) across
the grain in width.M4.2.12.6.2.1.2
Minimum 3/4" (19 mm) in thickness and
maximum 13-3/4" (350 mm) across the
grain in width.M4.2.12.6.2.1.3 Not permitted. M
4.2.12.6.2.2 SHEET PRODUCT:
4.2.12.6.2.2.1 Minimum 1/4" (6.4 mm) in thickness. M
4.2.12.6.2.2.2 Minimum 1/2" (12.7 mm) in thickness. MM
4.2.12.6.3R A I S E D
If RAISED shall be:
4.2.12.6.3.1 SOLID WOOD:
4.2.12.6.3.1.1 Permitted in any dimension. M4.2.12.6.3.1.2
Minimum 3/4" (19 mm) in thickness and
maximum 13-3/4" (350 mm) across the
grain in width.MM4.2.12.6.3.2 VENEERED STILES and RAILS or SHEET PRODUCT:
4.2.12.6.3.2.1 Minimum 1/2" (12.7 mm) in thickness M
4.2.12.6.3.2.2 Minimum 11/16" (17.5 mm) in thickness MM8