1、Designation: F1482 15Standard Practice forInstallation and Preparation of Panel Type Underlayments toReceive Resilient Flooring1This standard is issued under the fixed designation F1482; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revisi
2、on, 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 practice includes recommendations for the instal-lation of panel type underlayments including woo
3、d based, fiberreinforced gypsum and fiber-cement panel underlayment/subfloor assemblies upon which resilient flooring may beinstalled.1.2 The structural integrity of subfloor assemblies is gov-erned by local building codes.1.3 This practice does not supersede in any manner theresilient flooring, und
4、erlayment or adhesive manufacturerswritten instructions. Consult the individual resilient flooring,underlayment or adhesive manufacturer for specific recom-mendations. Manufacturers instructions supercede the recom-mendations included in this practice.1.4 See Supplementary Requirements for “Select W
5、arnings”that have been provided.1.5 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.1.6 This standard does not purport to address all of
6、thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C1278/C1278M Specificatio
7、n for Fiber-Reinforced GypsumPanelC1288 Specification for Discrete Non-Asbestos Fiber-Cement Interior Substrate SheetsF141 Terminology Relating to Resilient Floor Coverings2.2 ANSI Standards:ANSI/A208.1 Particleboard3ANSI/AHA A135.4 Basic Hardboard32.3 NIST Standards:Voluntary Product Standard PS 1-
8、10 for StructuralPlywood3,4Voluntary Product Standard PS 2-10 for Performance Stan-dard Wood-Based Structural-Use Panels3,42.4 Other Documents:APA Engineered Wood Construction Guide, Form E305APA Data File: Selection, Installation and Preparation ofPlywood Underlayment Form L3355Resilient Floor Cove
9、ring Institute (RFCI) RecommendedWork Practices for Removal of Resilient Floor Coverings(January 1998)6Lead-Based Paint: Interim Guidelines for Hazard Identifi-cation and Abatement in Public and Indian housing (1991revised)73. Terminology3.1 Definitions used in this standard shall be in accordancewi
10、th Terminology F141.3.2 Definitions of Terms Specific to This Standard:3.2.1 fully adhered flooringresilient flooring which hasadhesive under the entire product, bonding it to the underlay-ment surface.3.2.2 non fully adhered flooringresilient flooring that maybe loose laid, in which no adhesive is
11、utilized, or partiallybonded to the surface of the underlayment, typically at seamsor the surrounding perimeter, or both, of the product.1This guide is under the jurisdiction ofASTM Committee F06 on Resilient FloorCoverings and is the direct responsibility of Subcommittee F06.40 on Practices.Current
12、 edition approved April 15, 2015. Published June 2015. Originallyapproved in 1994. Last previous edition approved in 2009 as F1482 04(2009)1.DOI: 10.1520/F1482-15.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book
13、 of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.4Available from National Institute of Standards and Technology (NIST),
14、100Bureau Dr., Stop 1070, Gaithersburg, MD 20899-1070, http:/www.nist.gov.5Available from APAThe Engineered Wood Association, 7011 S. 19th St.,Tacoma, WA 984665399, www.apawood.org.6Resilient Floor Covering Institute, 401 E. Jefferson Suite 102 Rockville, MD20850, .7U.S. Department of Housing that i
15、s, at the seam orperimeter areas, or both. Non fully adhered resilient flooringproducts may permit a wider selection of underlayments to beutilized.6.6 The panel underlayment shall be smooth enough so thatthe texture of the graining or particle placement in the panelwill not show through the finishe
16、d resilient flooring. Theunderlayment panels shall not contain any foreign substance ormarkings that may stain the resilient flooring after installation.Protective coatings that may be used on underlayment panelsshall be non-staining and be compatible with adhesives usedfor installing the finished f
17、looring. Panels should not containpreservatives (pressure treated).6.7 Responsibility for appearance or performance relatedissues that arise from use of panel underlayment outside theresilient manufacturers recommendations, typically fall backto the underlayment panel manufacturer or whoever selecte
18、d orspecified the panel underlayment to be used. Following theresilient flooring manufacturers published guidelines is rec-ommended.6.8 Responsibility for appearance or performance relatedissues that arise from patching, leveling or adhesive com-pounds outside the resilient manufacturers recommendat
19、ions,typically fall back to the supplier of those materials or whoeverselected or specified those materials. Following the resilientmanufacturers published guidelines is recommended.7. Material Acceptance7.1 DeliveryAll materials shall be delivered in packages,containers, or bundles with the identif
20、ication and markingsintact.7.2 InspectionInspection of the materials shall be agreedupon between the purchaser and the supplier as part of thepurchase agreement.7.3 RejectionMaterials that are damaged, wet, frozen or inany way defective shall not be used. Rejection of materialsshall be promptly repo
21、rted verbally to the producer andF1482 152immediately reported in writing. The notice of rejection shallcontain a statement documenting the basis for material rejec-tion.7.4 CertificationWhen specified in the contractdocuments, the panel underlayment producer shall furnish areport certifying that th
22、e materials are in conformance withproduct and material standards and contract documents. Thepanel underlayment shall be marked as complying with theapplicable product specification.8. Material Storage and Conditioning8.1 All materials shall be kept dry by storage under coverand protected from the w
23、eather. Outside storage is not recom-mended.8.2 All other underlayment components shall be stacked offthe ground, flat and with care taken to avoid damage to edges,ends or surface. It should be supported on a level platform andprotected from direct sunlight, weather, surface contaminationor physical
24、 damage in accordance with the producers writteninstructions.8.3 Materials shall be protected from exposure to tempera-tures less than 40F (4C) unless otherwise specified by theproducer.8.4 Gypsum-based or Portland cement patching and level-ing compounds, or both, shall be kept dry until ready for u
25、se.They shall be kept off the ground, under cover and away fromdamp wall and surfaces.8.5 Materials shall not be applied to an underlaymentcontaining frost. Panel underlayment surface temperature shallbe not less than 40F (4C) unless otherwise specified by theproducer. Mixtures for application shall
26、 not contain any frozeningredients.8.6 Individual wood-based underlayment panels shall beseparated and stored on edge for a minimum of 24 h prior toinstallation, with sufficient space between panels to permit aircirculation to aid in acclimatization of the underlaymentpanels. Check underlayment pane
27、l manufacturers specificrecommendations.8.7 The temperature conditions for installing resilient floor-ing products and related sundries is typically 65 to 80F (18 to27C) for 48 h before, during and after the installation, thenmust remain within the range of 55 to 100F (13 to 38C)thereafter.9. Instal
28、lation of Panel Underlayment9.1 General Considerations:9.1.1 Underlayments to receive resilient flooring directly orpanel underlayment shall be permanently dry, clean, smooth,structurally sound and in compliance with local building codes.They shall be free of dust, solvent, paint, wax, oil, grease,r
29、esidual adhesive, adhesive removers, and other foreign mate-rials that might prevent adhesive bond or cause staining ofresilient flooring.9.1.2 A common floor joist spacing is 16 in. (405 mm) oncenter. Other joist spacing such as nominal 20 in. on center(19.2 in. actual) or 24 in. on center are perm
30、itted dependentupon joist and panel systems. Joist spacing shall comply withlocal building codes.9.1.3 Wood subfloors to receive panel underlayment shall besuspended at least 18 in. (460 mm) above the ground, withadequate cross ventilation. Use of a vapor barrier on the groundsurface, using overlapp
31、ing widths and lengths to reduce highhumidity from ground moisture into the crawlspace below thewood subfloor is recommended where appropriate.9.2 Preparation of New Wood Floors:9.2.1 A combination of the wood subfloor and panel under-layment shall be of double layer construction. Refer to theresili
32、ent flooring manufacturers recommendations and localbuilding codes for references to minimum thickness.9.2.2 Install panel underlayment just before the installationof the finished resilient flooring and protect it from construc-tion traffic, staining, denting or other potential damage.9.2.3 Install
33、with long dimension of the underlaymentpanels perpendicular to the floor joists for maximum rigidity.9.2.4 Install with underlayment panel edges offset from anysubfloor joints or edges by at least 6 in. (150 mm).9.2.5 Offset panel underlayment joints by at least 16 in. (405mm), and make sure panel u
34、nderlayment is staggered such thatfour-panel corners do not meet.9.2.6 Use only non-staining fasteners to secure panel under-layment.9.2.6.1 For14 to12 in. (6.4 to 12.7 mm) thick underlaymentpanels, use 3d ring-shank nails spaced 3 in. (75 mm) on centeralong panel edges,38 in. from ends and edges (9
35、.5 mm) and 6in. (150 mm) on center over panel field. Staples are also widelyutilized as fasteners; refer to panel underlayment manufactur-ers recommendations as to type, length and crown orientationof staples for the thickness underlayment being fastened. Also,check resilient manufacturers recommend
36、ations. Oil fromfastening equipment can stain resilient flooring. It is the panelinstallers responsibility to make sure equipment is wellmaintained (does not leak excess oil) and that non-staininglubricating oils are utilized.9.2.6.2 For underlayment panels from1932 to34 in. (15.1 to19 mm) thick, us
37、e 4d ring-shank nails spaced 6 in. (150 mm)on center at panel edges and 8 in. (200 mm) on center overpanel field.9.3 Preparation of Existing Wood Subfloors or Panel Un-derlayment:9.3.1 The resilient flooring manufacturer shall be consultedregarding the removal of old resilient flooring, adhesiveresi
38、due, or other surface contaminants. If old resilient flooringor adhesive residue is to be removed, follow the RFCIs“Recommended Work Practices for Removal of Resilient FloorCovering.”9.3.2 Stripwood plank or any board type subfloors are notacceptable under-floors for the direct installation of resil
39、ientflooring. If stripwood is 3 in. (75 mm) or less in width and istongue-and-groove and with a smooth surface, use minimum14 in. (6.4 mm) approved panel underlayment to cover andreduce the potential of board telegraphing. For boards widerF1482 153than 3 in. (75 mm) or not tongue-and-groove, or with
40、 a roughsurface, use minimum12 in. (12.7 mm) thick approved panelunderlayment.9.4 Protection of Panel Underlayment After Installation:9.4.1 Because satisfactory performance of resilient flooringdepends in a large part on the condition of the underlayment,care shall be taken to avoid traffic on the f
41、inished underlaymentinstallation or the surface protected by temporary walkingboards or other protective covering that will not cause potentialbond or staining issues, for example, asphalt saturated paper.Ideally, the fully acclimatized underlayment should be installedjust prior to installation of t
42、he resilient flooring.9.4.2 Damage to the underlayment can occur if water, oil,paint, spackling compounds, solvent, dirt, and other debris arespilled or tracked onto the underlayment. In addition, paint andsolvent spills on underlayment may migrate to the surface ofresilient flooring and cause a sta
43、in.Any damage to the installedunderlayment must be repaired or replaced prior to installationof the resilient flooring.10. Preparation of Panel Underlayment to ReceiveResilient Flooring10.1 Proper spacing and placement of underlayment paneljoints, relative to each other, to the subfloor joints, as w
44、ell as tothe supporting joists is important. Follow local building coderequirements and panel underlayment manufacturers pub-lished recommendations.10.2 Protruding nails and other protrusions should be drivenflush, sanded smooth or driven below the surface, then patchedand sanded smooth.10.3 The sur
45、face of the floor shall be cleaned of all loosematerial by scraping, brushing, vacuuming, other methods, orcombination thereof, recommended by resilient flooringmanufacturer, immediately before commencing installation ofresilient flooring.10.4 Surface cracks, grooves, depressions, and other irregu-l
46、arities shall be filled or smoothed with appropriate patching orunderlayment compound for filling or smoothing, or both,wood, fiber-cement, or gypsum fiber panel surfaces. Patchingand self-leveling compounds for use on panel underlaymentsshall be moisture- and alkali-resistant and suitable for com-m
47、ercial installations. Refer to resilient flooring manufacturerswritten installation instructions and to the patching and self-leveling compound manufacturers published recommenda-tions for mix and application instructionsNOTE 1Some panel underlayment manufacturers limit the types ofpatching and self
48、-leveling compounds suitable for use with their products.Consult the panel underlayment manufacturers published applicationinstructions for any finishing limitations.11. Keywords11.1 fiber-cement; gypsum fiber; installation; OSB; particle-board; plywood; resilient; sheet; subfloor; tile; underlaymen
49、t;vinylSUPPLEMENTARY REQUIREMENTSThe attached supplementary information is provided to aid in the proper use of this practice.S1. Recommended Work Practices for Removal of Resil-ient Floor CoveringsS1.1 Asbestos Warning Do not sand, dry sweep, dryscrape, drill, saw, beadblast, or mechanically chip or pulverizeexisting resilient flooring, backing, lining felt, paint, asphaltic“cutback” adhesives, or other adhesives. These products maycontain asbestos fibers or crystalline silica.Avoid creating dust.Inhalation of such dust is a
