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Significance and Use
This practice provides minimum recommendations for the installation and preparation of wood-based, fiber-reinforced gypsum and fiber-cement panel underlayments suitable to receive resilient floor coverings. Actual requirements for materials to be used, mixtures, and other details are generally included as part of project plans or specification detail and may vary from the minimum recommendations set forth in this practice.
1.1 This practice includes recommendations for the installation of panel type underlayments including wood based, fiber reinforced gypsum and fiber-cement panel underlayment/subfloor assemblies upon which resilient flooring may be installed.
1.2 The structural integrity of subfloor assemblies is governed by local building codes.
1.3 This practice does not supersede in any manner the resilient flooring, underlayment or adhesive manufacturer's written instructions. Consult the individual resilient flooring, underlayment or adhesive manufacturer for specific recommendations. Manufacturer's instructions supercede the recommendations included in this practice.
1.4 See Supplementary Requirements for “Select Warnings” that have been provided.
1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C1278/C1278M Specification for Fiber-Reinforced Gypsum Panel
C1288 Specification for Discrete Non-Asbestos Fiber-Cement Interior Substrate Sheets
F141 Terminology Relating to Resilient Floor Coverings
Other DocumentsLead-BasedPaint: Interim Guidelines for Hazard Identification and Abatement in Public and Indian housing (1991 revised) U.S. Department of Housing Urban Development, Washington, DC, www.hud.gov.
ANSI StandardsANSI/AHAA135.4 Basic Hardboard
NIST StandardsVoluntaryProductStan for Wood-Based Structural-Use Panels,
ICS Number Code 97.150 (Non-textile floor coverings)
UNSPSC Code 30161700(Flooring)