AWS EDITION 1, 2009

(Tina Sui) #1

113


© 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 5 - Finishing (Page 12 of 19)


PRODUCT
FINISHING RULES (continued)
These rules are not intended to create a finishing grade; they are intended only to establish the acceptable requirements
and/or characteristics after the architectural woodwork is completed or installed.

DESCRIPTION E C P



4.1


G E N E R A L



4.1.11

4.1.11.17 FIELD REPAIRS and TOUCH-UPS shall be:
4.1.11.17.1 Inconspicuous beyond 108" (2745 mm) M
4.1.11.17.2 Inconspicuous beyond 72" (1830 mm) M
4.1.11.17.3 Inconspicuous beyond 36" (915 mm) M
4.1.12

F I R S T C L A S S


FIRST-CLASS WORKMANSHIP is required in compliance with these standards, including but not limited to:
4.1.12.1 All joints being tight, true, flush, and securely glued.
4.1.2.2 All parts being uniform, square, level, plumb, flush, and in alignment.

4.1.2.3 Hardware being neatly installed, free of tear-outs, and adjusted for smooth operation, with all
fasteners squarely set.
4.1.12.4 Exposed and semi-exposed surfaces free of tear-out, chips, dents, gouges, tool marks, adhesive
residue, sand-through, cross-sanding, over/under-filing, sharp edges, poorly fitted edging, or
similar defects within the tolerances listed below for any 10 square feet (9290 square cm) of
surface area:
4.1.12.4.1 Maximum of 8, not exceeding 1/16" (1.6 mm) M
4.1.2.4.2 Maximum of 5, not exceeding 1/32" (0.8 mm) M
4.1.12.4.3 None M

4.2


M A T E R I A L


MATERIAL requires:


4.2.1 BACK-PRIMING/SEALING, when factory finishing is required, shall be of a compatible material and conform
to the following application requirements:
4.2.1.1 STANDING and RUNNING TRIM shall have one coat at 1 mil dry. MM
4.2.1.2 WALL SURFACING shall have two coats at 2 mil dry. MM
4.2.1.3 CASEWORK shall have one coat at 1 mil dry. M
4.2.1.4 DECORATIVE LAMINATE faced woodwork shall have one coat at 1 mil dry. MM
4.2.2 FLOW properties capable of drying and/or curing free of streaks, sags, or mottle.

4.2.3


If so specified, CHEMICAL RESISTANCE at exposed horizontal surfaces shall pass a 24-hour exposure
test, whereas exposed vertical surfaces and semi-exposed surfaces shall pass a 1-hour exposure test
(ASTM 1308, latest edition).

4.3


A P P L I C A T I O N 


APPLICATION requires:


4.3.1 SANDING before and during all finishing procedures and shall include:

4.3.1.1 Exposed surfaces being block-sanded parallel with the grain direction and the appropriate grit paper to prevent unacceptable blotchy and/or nonuniform appearance after staining or finishing.

4.3.1.2 Removal of handling marks or effects of exposure to moisture.
4.3.1.3 Steaming out of deep scratches.
4.3.1.4 Easing of sharp edges with a light sanding.

4.3.1.5 Removal of all raised grain, cross-sanding, burnishing and machining marks, sanding inconsistencies, and/or defects.

4.3.1.6 Light sanding between coats per manufacturer's recommendations.
4.3.2 FACTORY-PRIMING with one coat of primer applied to appropriate surfaces.
4.3.2.1 Sanding of factory-primed surfaces is not required.

4.3.3 VENTILATION24 hours before, during, and 48 hours after application of finishes., adequate and continuous, with sufficient heat to maintain temperatures above 65° F for

4.3.4 OVER-SPRAY protection to prevent spray or droppings from fouling surfaces not being finished.
4.3.4.1 Repair damage as a result of inadequate or unsuitable protection.

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