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© 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 7 - Stairwork & Rails (Page 10 of 16)
PRODUCT
MATERIAL, MACHINING, AND ASSEMBLY RULES (continued)
DESCRIPTION E C P
4.4
A S S E M B L Y
ASSEMBLY (continued)
4.4.1J O I N T S
JOINTS at ASSEMBLED WOODWORK shall (continued)
4.4.1.9G
A
P
S
Requires GAPS at exposed surfaces at parallel members (continued)
4.4.1.9.1INTERIOR (continued)4.4.1.9.1.2 0.025" x 6" (0.6 mm x 152 mm) and shall not occur within 60" (1524 mm) of a similar gap M4.4.1.9.1.3 0.015" x 3" (0.4 mm x 76 mm) and shall not occur within 72" (1829 mm) of a similar gap M4.4.1.9.2 EXTERIOR4.4.1.9.2.1 0.075" x 10" (1.9 mm x 254 mm) and shall not occur within
24" (610 mm) of a similar gapM4.4.1.9.2.2 0.05" x 8" (1.3 mm x 203 mm) and shall not occur within
26" (660 mm) of a similar gapM4.4.1.9.2.3 0.025" x 6" (0.6 mm x 152 mm) and shall not occur within
30" (762 mm) of a similar gapM4.4.1.10G
A
P
S
Requires GAPS at exposed surfaces when mitered or butted (See Test C illustrations in
COMPLIANCE) not exceed:
4.4.1.10.1 INTERIOR
4.4.1.10.1.1 0.05" (1.3 mm) M
4.4.1.10.1.2 0.025" (0.6 mm) M
4.4.1.10.1.3 0.015" (0.4 mm) M
4.4.1.10.2 EXTERIOR
4.4.1.10.2.1 0.075" (1.9 mm) M
4.4.1.10.2.2 0.05" (1.3 mm) M
4.4.1.10.2.3 0.025" (0.6 mm) M
4.4.1.11 Allows FILLER:
4.4.1.11.1 If inconspicuous when viewed at 36" (914 mm). M
4.4.1.11.2 If inconspicuous when viewed at 24" (610 mm). M
4.4.1.11.3 NOT ALLOWED. M
4.4.1.12H P D L & P V C
At HPDL and PVC, edges shall be machined flush and filed, sanded, or buffed to remove machine
marks and sharp edges, and:
4.4.1.12.1 VISIBLE OVERLAP (over-filing) shall not exceed:4.4.1.12.1.10.005" (0.13 mm) for a maximum length of 2" (50.8 mm) in
any 48" (1220 mm) run. M4.4.1.12.1.20.005" (0.13 mm) for a maximum length of 1" (25.4 mm) in
any 24" (610 mm) run. M
4.4.1.12.1.3 NO VISIBLE OVERLAP. M
4.4.1.12.2 CHIP-OUT shall be inconspicuous when viewed at:
4.4.1.12.2.1 72" (1829 mm) M
4.4.1.12.2.2 48" (1220 mm) M
4.4.1.12.2.3 24" (610 mm) M
4.4.1.12.3
REMOVAL of color or pattern of face material due to over-machining limited to:4.4.1.12.3.1 3/32" x 4" (2.4 mm x 102 mm) and shall not occur within 48" (1220 mm) of a similar occurrence. M7