AWS EDITION 1, 2009

202

© 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 31 of 32)

COMPLIANCE

7 FABRICATED and INSTALLED (continued)

7.1 SMOOTHNESS of exposed surfaces (continued)

7.1.2 SANDING is checked for compliance by sanding a sample piece of the same species with the required grit of

abrasive.

7.1.2.1 Observation with a hand lens of the prepared sample and the material in question will offer a

comparison of the scratch marks of the abrasive grit.

7.1.2.2 Reasonable assessment of the performance of the finished product will be weighed against absolute

compliance with the standard.

7.1.2.3 A product is sanded sufficiently smooth when knife cuts are removed and any remaining sanding

marks are or will be concealed by applied finishing coats.

7.1.2.4 Handling marks and/or grain raising, due to moisture or humidity in excess of the ranges set forth in

this standard, shall not be considered a defect.

7.2 TESTS FOR BLUEPRINT-MATCHED PANELS, COMPONENTS, AND RELATED DOORS

7.2.1 These tests do not apply to flush doors specified under Section 9 or specified using other standards, and they

are in addition to those requirements covered above.

7.2.2 At VENEER JOINT:

7.2.2.1 PLUMB shall not exceed 3/16" (5 mm) in 96" (2440 mm).

7.2.2.2 TIGHTNESS disallows any openings or voids of any kind.

7.2.3 At END-MATCHED JOINTS, grain loss shall not exceed 1-1/2" (38 mm).

7.2.3.1 Tested by separating end-matched panels 1-1/2" (38 mm) and visually testing grain void for

continuity.

7.2.4 At SIDE-MATCHED JOINTS, grain loss shall not exceed 1" (25.4 mm).

7.2.4.1 Tested by separating side-matched panels 1" (25.4 mm) and visually testing grain void for

continuity.

7.2.5 HEART FIGURE PROGRESSION - The full heart figure of plain-sliced veneer shall develop in uniform and

natural progression.

7.2.5.1 Split or cut hearts are permitted, provided they are used to maintain sequence or to achieve special

effects.

7.2.6 SAPWOOD shall be considered a defect except in species and cuts selected for sap appearance.

7.2.7 VENEER PATCHES, if required to repair unanticipated voids, shall not be discernible after finishing, when

viewed from a distance of 48" (1219 mm) of the installed area in normal light.

7.2.8 MATCHING requires all faces to be balanced-match.

7.2.8.1 Center-balance matching must be specified.

7.3 GAPS, FLUSHNESS, FLATNESS, and ALIGNMENT of product and installation:

7.3.1 Maximum gaps between exposed components shall be tested with a feeler gauge at points designed to join,

where members contact or touch.

7.3.2 Joint length shall be measured with a ruler with minimum 1/16” (1 mm) divisions and calculations made

accordingly.

7.3.3 Reasonable assessment of the performance of the finished product will be weighed against absolute compliance

with the standards.

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