ASTM_F_2957_-_13.pdf

Designation:F295713Standard Specification forOrnamental Aluminum Fence Systems1This standard is issued under the fixed designation F2957;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification establishes the minimum require-ments for architecturally coated,tubular picket,ornamentalaluminum fence systems.1.2 The values stated in inch-pound units are to be regardedas standard.No other units of measurement are included in thisstandard.2.Referenced Documents2.1 ASTM Standards:2B117 Practice for Operating Salt Spray(Fog)ApparatusD1654 Test Method for Evaluation of Painted or CoatedSpecimens Subjected to Corrosive EnvironmentsD714 Test Method for Evaluating Degree of Blistering ofPaintsD2244 Practice for Calculation of Color Tolerances andColor Differences from Instrumentally Measured ColorCoordinatesD3359 Test Methods for Measuring Adhesion by Tape TestD523 Test Method for Specular GlossD714 Test Method for Evaluating Degree of Blistering ofPaintsG154 Practice for Operating Fluorescent Ultraviolet(UV)Lamp Apparatus for Exposure of Nonmetallic Materials2.2 AEC(Aluminum Extruders Council)Standards:3Alloys as specified by AEC2.3 AAMA(American Architectural Manufacturers Associa-tion)Standards:4AAMA 2603-02 Voluntary Specification,Performance Re-quirements and Test Procedures for High PerformanceOrganic Coatings on Aluminum Extrusions and Panels3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 adhesionthe bonding integrity of an organic coatingto the aluminum substrate.3.1.2 corrosion resistancethe ability of an organic coatingto resist attack from manmade and natural elements whilemaintaining adhesion and protecting the aluminum substratefrom corrosion.3.1.3 fence panelfabricated unit consisting of rails andpickets.Also referred to as a fence section.3.1.4 impact resistancethe measure of an organicallycoated aluminum product to resist indentation;the ability of acoating to resist cracking or loss of adhesion due to reformingthe metal during bending or a shape change from abuse.3.1.5 ornamental accessoryany fitting that adds furtherdecoration to an ornamental aluminum fence system includingitems like finials,caps,picket collars,rings,scrolls,or otherornamental panel inserts.3.1.6 postvertical fence structural component that sup-ports the fence panel in the ornamental aluminum fencesystem.3.1.7 railhorizontal structural component of a fencepanel.3.1.8 tubular pickethollow vertical component of a fencepanel.3.1.9 weathering resistancethe ability of an organicallycoated aluminum fence panel to resist the effects of naturalsunlight and humidity measured by loss of gloss and colorchange(fade)over time.4.Materials and Manufacture4.1 Ornamental aluminum fence pickets,rails,and postsshall be manufactured from aluminum.The testing criteria,within this document,will determine the alloy,temper,andthickness of the aluminum.4.2 Manufacture:4.2.1 Uncoated aluminum extrusion to be protected fromoutdoor elements prior to coating.4.2.2 Chemicals used in the manufacture process to beremovable by the coating pretreatment process and not affectthe weathering or corrosion resistance of the organically coatedfence panel.1This test method is under the jurisdiction of ASTM Committee F14 on Fencesand is the direct responsibility of Subcommittee F14.35 on Architectural MetalFence Systems.Current edition approved April 1,2013.Published April 2013.DOI:10.1520/F2957-13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from Aluminum Extruders Council(AEC),1000 N.Rand Rd.Suite214 Wauconda,IL 60084,http:/www.aec.org4Available from American Architectural Manufacturers Association(AAMA),1827 Walden Office Square,Suite 550 Schaumburg,Illinois 60173-4268,http:/www.aamanet.orgCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.3 Organic Coating Material:4.3.1 Organic coating system can be a liquid coat or powdercoat process capable of meeting specifications listed in#8Testing-Surface finish.4.3.2 Organic coating to be applied and cured to the organiccoating manufacturer application and curing specifications.4.4 Visible fittings,screws/mechanical fasteners,and deco-rative ornamental accessories shall be manufactured from asubstrate that will permit the organic coating to meet thecoating specifications listed in#8 Testing-Surface Finish.4.5 Non-visible screwless fasteners,concealed fasteners,and/or screws to be manufactured from a substrate that will notdeteriorate,break down,or corrode over the life of the fencepanel.5.T