ASTM_F_1141_-_10.pdf

Designation:F114110Standard Specification forWall Covering1This standard is issued under the fixed designation F1141;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 covers the performance,quality,packaging,and marking characteristics of flexible wall cover-ing as a finished product.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2.Referenced Documents2.1 ASTM Standards:2F793 Classification of Wall Covering by Use Characteristics3.Terminology3.1 Definitions:3.1.1 wall coveringa flexible product designed to coverwalls and ceilings for decorative or functional purposes,orboth.3.2 Definitions of Terms Specific to This Standard:3.2.1 backing(substrate)material upon which facing(oran intermediate layer)is applied.Backing is that materialwhich is adhered to the wall.3.2.2 biaspattern running off true horizontal or verticalplane.3.2.3 bolta continuous amount of packaged material con-taining the amount specified on the label.3.2.4 facingdecorative material which is applied to anintermediate layer or backing.3.2.5 finished productwall covering offered to a consumerfor installation.3.2.6 intermediate layermaterial,if any,between the fac-ing and the backing.3.2.7 lot(batch)the product from a continuous manufac-turing run having the same appearance and characteristic frombeginning to end.3.2.8 pattern matchthe meeting of all parts and colors ofa pattern at the seams of adjacent strips.3.2.9 pattern repeatthe vertical distance between adjacentmatch points of a pattern.3.2.10 protective layerany material applied to the facingto enhance performance.3.2.11 registerthe designed meeting of all parts and colorsof a pattern.3.2.12 runa unit of production which may include morethan one lot.3.2.13 secondsfinished material not meeting the qualitycriteria in accordance with Classification F793 and this speci-fication.3.2.14 selvagean undecorated edge which must betrimmed away to allow for correct pattern match or uniformcontinuity of color.3.2.15 waste edgea decorated edge that must be trimmedaway to allow for correct pattern match or uniformity of color.3.2.16 Shading:3.2.16.1 color variation difference within the same lot ofwall covering.3.2.16.2 luster variation difference in gloss level withinthe same lot of wall covering.3.2.16.3 texture variationdifference in embossing withinthe same lot of wall covering.3.2.17 split bolta bolt consisting of two or three separatelengths of material.4.Appearance4.1 There shall be no appreciable difference in shadingexcept on those finished products in which natural decorativecharacteristics are being simulated.These variances must beclearly stated in writing at the point of purchase.To determinewhether there is an appreciable difference,suspend threesequential 8-ft(2.4-m)strips at eye level in a vertical position,as on the wall,under illumination between 100 to 150 fc(1000to 1500 lx),and view the strips from a distance between 4 and8 ft(1.2 and 2.4 m).An appreciable difference is one which isnoticeable when one strip is compared with the others.1This specification is under the jurisdiction of ASTM Committee F15 onConsumer Products and is the direct responsibility of Subcommittee F15.15 onWallcoverings.Current edition approved April 1,2010.Published May 2010.Originallyapproved in 1988.Last previous edition approved in 2009 as F1141 93(2009).DOI:10.1520/F1141-10.2For 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 5.Wall Preparation and Installation5.1 Basic and correct wall preparation instructions,withparticular attention to wall covering which requires specialwall preparation for its proper installation,shall be included insample books and installation instructions.5.2 Installation instructions shall be in or with each bolt andbe readily accessible to the installer.It shall be the manufac-turers responsibility to notify consumers of proper installationtechniques when new products are introduced.5.3 The manufacturer shall recommend an adhesive,whennecessary,and the products to be used for wall preparation.Recommendation for alternative adhesives and wall prepara-tion products shall be included in the installation instructions.6.Physical Requirements6.1 Each finished product shall be uniform in physicalproperties,in accordance with Classification F793 and thisspecification.6.2