AWS EDITION 1, 2009

326

© 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/

PRODUCT

MATERIAL, MACHINING, AND ASSEMBLY RULES (continued)

DESCRIPTION



4.1

G E N E R A L

GENERAL (continued)

4.1.8 SURFACINGvertically. with a defined grain and/or pattern shall be installed with the grain or pattern direction running

4.1.9 FURRING shall be used as required, and:

4.1.9.1 It shall be in accordance with applicable codes and regulations for maximum thickness, fire blocking,

and void fills.

4.1.10 FIRE-RETARDANT requirements shall be specified.

4.1.11 Where GLUING or LAMINATION occurs:

4.1.11.1 DELAMINATION or SEPARATION shall not occur beyond that which is allowed in Sections 3 & 4.

4.1.11.2 Use of CONTACT ADHESIVE is not permitted.

4.1.12 FIRST-CLASS WORKMANSHIP is required in compliance with these standards.

4.2

M A T E R I A L

MATERIAL

4.2.1 WOOD shall match the species, grain, general pattern, and cut of existing, similar, and/or adjacent woodwork.

4.2.2 Shall comply with Sections 3 - 11, as applicable, and any modifications by the plans and specifications.

4.2.3 MEMBERS shall be of the same profile and dimension as existing; however, they may be glued up to achieve

this.

4.2.4 Shall not have defects, either natural or manufactured, that exceed those permitted.

4.2.5 Permits defects, both natural and manufactured, if covered by adjoining members or otherwise concealed when

installed.

4.2.6 States figure is not a function of a species grade and must be specified in the contract document.

4.2.7 Permits warp that can be held flat and straight with normal attachment.

4.2.8 SCREWS, NAILS,and anchors. and ANCHORS, where exposed, shall match or be equivalent to the existing screws, nails,

4.2.9 ANCHORS and INSERTS shall be hot-dipped galvanized.

4.2.10

E X P O S E D

EXPOSED SURFACES

4.2.10.1

Require ends to be self-returned with no end grain showing.

4.2.10.2 Permit medium-density fiberboard (MDF) for opaque finish.

4.2.10.3 For TRANSPARENT FINISH:

4.2.10.3.1 Permit hardwood or softwood.

4.2.10.3.2 Permit only one species for the entire project.

4.2.10.3.3 Adjacent veneer and lumber shall be well-matched for color and grain.

4.2.10.4 Have visible EDGES, REVEALS, and/or SPLINES, when appropriate, that are:

4.2.10.4.1 Full length.

4.2.10.4.2 MATCH species of panel face.

4.2.10.4.3 WELL-MATCHED for color and grain.

4.2.10.4.4 Minimum 0.020” (0.5 mm) nominal THICKNESS that precludes show-through of core.

4.2.11 SEMI-EXPOSED SURFACES

4.2.11.1 For OPAQUE finish, permit natural and manufacturing defects, provided the surface is filled solid.

4.2.12 CONCEALED SURFACES

4.2.12.1 Permit defects, voids, wane, and unfilled knots.

4.2.12.2 Require blocking or shims to be of a compatible material.

4.2.13 When FACTORY FINISHING is specified, concealed surfaces shall be factory sealed with one coat at 1 mil dry.

Section 12 - Historic Restoration Work (Page 5 of 12)

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