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ASTM F2678-10

(Practice)

Standard Practice for Preparing Panel Underlayments, Thick Poured Gypsum Concrete Underlayments, Thick Poured Lightweight Cellular Concrete Underlayments, and Concrete Subfloors with Underlayment Patching Compounds to Receive Resilient Flooring

Standard Practice for Preparing Panel Underlayments, Thick Poured Gypsum Concrete Underlayments, Thick Poured Lightweight Cellular Concrete Underlayments, and Concrete Subfloors with Underlayment Patching Compounds to Receive Resilient Flooring

SIGNIFICANCE AND USE
This practice provides minimum recommendations for preparing and smoothing panel underlayments, thick poured gypsum concrete underlayments, thick poured lightweight cellular concrete underlayments and concrete subfloors with patching compounds. Actual requirements for materials to be used, mixtures, and other details are generally included as part of the project plans or specification details and may vary from the minimum recommendations set forth in this practice.
SCOPE
1.1 This practice includes recommendations for preparing and smoothing panel underlayments, gypsum concrete and concrete subfloors with patching compounds upon which resilient flooring may be installed.
1.2 This practice does not cover the adequacy of the subfloor assembly to perform its structural requirements, which 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.
1.4 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.
1.5 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.

General Information

Status
Historical
Publication Date
31-May-2010
ICS
91.180 - Interior finishing
Technical Committee
F06 - Resilient Floor Coverings
Drafting Committee
F06.40 - Practices
Current Stage
Ref Project

Relations

Referred By
ASTM F3311-19 - Standard Practice for Mat Bond Evaluation of Performance and Compatibility for Resilient Flooring System Components Prior to Installation
Effective Date
01-Jun-2010
Referred By
ASTM F2471-19 - Standard Practice for Installation of Thick Poured Lightweight Cellular Concrete Underlayments and Preparation of the Surface to Receive Resilient Flooring
Effective Date
01-Jun-2010

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ASTM F2678-10 - Standard Practice for Preparing Panel Underlayments, Thick Poured Gypsum Concrete Underlayments, Thick Poured Lightweight Cellular Concrete Underlayments, and Concrete Subfloors with Underlayment Patching Compounds to Receive Resilient FlooringASTM F2678-10 - Standard Practice for Preparing Panel Underlayments, Thick Poured Gypsum Concrete Underlayments, Thick Poured Lightweight Cellular Concrete Underlayments, and Concrete Subfloors with Underlayment Patching Compounds to Receive Resilient Flooring
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ASTM F2678-10 - Standard Practice for Preparing Panel Underlayments, Thick Poured Gypsum Concrete Underlayments, Thick Poured Lightweight Cellular Concrete Underlayments, and Concrete Subfloors with Underlayment Patching Compounds to Receive Resilient Flooring
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Standards Content (Sample)


NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:F2678 −10
StandardPractice for
Preparing Panel Underlayments, Thick Poured Gypsum
Concrete Underlayments, Thick Poured Lightweight Cellular
Concrete Underlayments, and Concrete Subfloors with
Underlayment Patching Compounds to Receive Resilient
Flooring
This standard is issued under the fixed designation F2678; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope C472 Test Methods for Physical Testing of Gypsum, Gyp-
sum Plasters and Gypsum Concrete
1.1 This practice includes recommendations for preparing
F141 Terminology Relating to Resilient Floor Coverings
and smoothing panel underlayments, gypsum concrete and
F710 Practice for Preparing Concrete Floors to Receive
concrete subfloors with patching compounds upon which
Resilient Flooring
resilient flooring may be installed.
F1482 Practice for Installation and Preparation of Panel
1.2 This practice does not cover the adequacy of the
Type Underlayments to Receive Resilient Flooring
subfloorassemblytoperformitsstructuralrequirements,which
F2419 Practice for Installation of Thick Poured Gypsum
is governed by local building codes.
Concrete Underlayments and Preparation of the Surface to
Receive Resilient Flooring
1.3 This practice does not supersede in any manner the
resilient flooring, underlayment or adhesive manufacturer’s F2471 Practice for Installation of Thick Poured Lightweight
Cellular Concrete Underlayments and Preparation of the
written instructions. Consult the individual resilient flooring,
underlayment or adhesive manufacturer for specific recom- Surface to Receive Resilient Flooring
mendations.
3. Terminology
1.4 The values stated in inch-pound units are to be regarded
3.1 Definitions used in this practice shall be in accordance
as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only with Terminology F141.
and are not considered standard.
4. Significance and Use
1.5 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the 4.1 This practice provides minimum recommendations for
responsibility of the user of this standard to establish appro- preparing and smoothing panel underlayments, thick poured
priate safety and health practices and determine the applica- gypsum concrete underlayments, thick poured lightweight
cellular concrete underlayments and concrete subfloors with
bility of regulatory limitations prior to use.
patching compounds. Actual requirements for materials to be
2. Referenced Documents
used, mixtures, and other details are generally included as part
of the project plans or specification details and may vary from
2.1 ASTM Standards:
the minimum recommendations set forth in this practice.
C109/C109M Test Method for Compressive Strength of
Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube
5. Product Requirements
Specimens)
5.1 The patching compound shall be able to be applied from
featheredge up to the manufacturer’s specified thickness over
This practice is under the jurisdiction of ASTM Committee F06 on Resilient
large areas.
Floor Coverings and is the direct responsibility of Subcommittee F06.40 on
Practices.
5.2 The patching compound may require the addition of an
Current edition approved June 1, 2010. Published August 2010. DOI: 10.1520/
additive other than water.
F2678–10.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
5.3 The patching compound shall be able to be covered by
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
resilient floorings as soon as the patching hardens and dries
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. sufficiently.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F2678−10
5.4 The dried patching compound shall be moisture-free, 8.2 Panel Underlayment:
mildew-resistant and alkali-resistant.
8.2.1 All panel underlayment used shall be recommended
by either the panel underlayment manufacturer or the resilient
5.5 For commercial installations, the patching compound
flooring manufacturer.
shall develop a minimum of 3000 psi compressive strength
8.2.2 All panel underlayment shall be installed in accor-
after 28 days when tested in accordance with Test Method
dance with the Standard Practice F1482.
C109/C109M (air-cured only) or with Test Methods C472.
8.2.3 All wood structural panel floor assemblies shall be
6. Material Acceptance
double-layered. The subfloor panel shall be ⁄8 in. (16 mm)
thick minimum wood structural panels (usually Exterior Grade
6.1 All patching compounds shall be delivered in their
Plywood) over joist 16 in. (41 cm), typically on center. Joist
original, factory packaging.
center spacing shall comply with local building codes. The
7. Material Storage, Conditioning and Protection second layer shall be a minimum ⁄4 in. (6.4 mm) thick, and
sufficiently smooth to receive resilient flooring (thicker boards
7.1 All patching compounds shall be kept dry in a tempera-
may be required for commercial applications). The adjacent
ture controlled environment on site and protected from the
edges of the underlayment panels shall not be more than ⁄32 in.
weather at least 48 h prior to use. The temperature shall not be
(1.6 mm) above or below each other. End joints of panel
below 65°F (18°C) or above 100°F (38°C). Refer to the
underlayment shall be offset from subfloor panel joints by at
patching compound manufacturer’s recommendation for more
least one joist spacing. Panel underlayment edge joints shall be
specific instruction.
offset from subfloor panel edge joints by at least 2 in.
7.2 Allpatchingcompoundsshallbekeptoffthegroundand
8.3 Concrete Subfloors:
away from damp and cold surfaces.
8.3.1 All concrete subfloors shall meet the requirements
7.3 Protect the applied patching compound from excessive
outlined in Practice F710.
heat and drafty conditions while curing.
8.3.2 All concrete subfloors shall have a minimum density
3 3
7.4 Protect the applied patching compound and the entire
of 115 lb/ft (1842 kg/m ).
subfloor from traffic, dirt or dust or other contaminates such as
8.3.3 Due to the varying porosity of concrete subfloors, we
sweeping compounds until final installation of the resilient
recommend that a bond test be performed to ensure adequate
floor covering.
bond. If an adequate bond is not achieved, abrasively prepare
the concrete subfloor surface according to the patching com-
8. General Guidelines
pound manufacturer’s recommendation. Methods such as
8.1 General Specifications:
grinding or shot blasting are appropriate.
8.1.1 The patching compound shall not be applied to a
8.3.4 Porous concrete substrate may require being primed.
subfloor containing frost. The subfloor surface temperature
Refer to the patching compound manufacturer’s recommenda-
shall not be below 50°F (10°C) or above 95°F (35°C). The
tion.
temperature conditions for installing resilient flooring products
8.4 Gypsum Concrete Subfloors:
andthepatchingcompoundistypically65to85°F(18to30°C)
8.4.1 All gypsum concrete subfloors shall meet the require-
for 48 h before, during and after the installation. The complete
ments outlined in Practice F2419.
installation shall remain within the range of 55 to 95°F (13 to
8.4.2 All gypsum concrete subfloors shall have a minimum
35°C) thereafter.
3 3
density of 105 lb/ft (1460 kg/m ).
8.1.2 All subfloors shall be clean and free of dust, oil,
grease, paint, tar, wax, curing compounds, sealers, fr
...

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SCOPE
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SCOPE
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1.1.4 This classification does not apply to rigid panel products, irrespective of whether or not they include a flexible lining or veneer.  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems has the potential to result in non-conformance with the standard.  
1.3 This standard is used to measure and describe the properties of materials, products, or assemblies to heat and flame under controlled conditions, but does not by itself incorporate all factors required for fire hazard or fire risk assessment of the materials, products, or assemblies under actual fire conditions.  
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ASTM
ASTM D88/D88M-07(2024)(Test Method)
Standard Test Method for Saybolt Viscosity

SIGNIFICANCE AND USE
5.1 This test method is useful in characterizing certain petroleum products, as one element in establishing uniformity of shipments and sources of supply.  
5.2 See Guide D117 for applicability to mineral oils used as electrical insulating oils.  
5.3 The Saybolt Furol viscosity is approximately one tenth the Saybolt Universal viscosity, and is recommended for characterization of petroleum products such as fuel oils and other residual materials having Saybolt Universal viscosities greater than 1000 s.  
5.4 Determination of the Saybolt Furol viscosity of bituminous materials at higher temperatures is covered by Test Method E102/E102M.
SCOPE
1.1 This test method covers the empirical procedures for determining the Saybolt Universal or Saybolt Furol viscosities of petroleum products at specified temperatures between 21 and 99 °C [70 and 210 °F]. A special procedure for waxy products is indicated.  
Note 1: Test Methods D445 and D2170/D2170M are preferred for the determination of kinematic viscosity. They require smaller samples and less time, and provide greater accuracy. Kinematic viscosities may be converted to Saybolt viscosities by use of the tables in Practice D2161. It is recommended that viscosity indexes be calculated from kinematic rather than Saybolt viscosities.  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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