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    ASTM C475 / C475M - 17

    Standard Specification for Joint Compound and Joint Tape for Finishing Gypsum Board

    Active Standard ASTM C475 / C475M | Developed by Subcommittee: C11.02

    Book of Standards Volume: 04.01

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    This specification covers all-purpose, taping and finishing joint compounds, paper joint tape and glass-mesh joint tape. No cracks in the thinner half of the wedge and no deep fissure cracks in the thicker half of the wedge. Other physical properties such as putrefaction, shrinkage, joint tape, width, thickness and tensile strength shall also be determined. Tests such as dimensional stability test, assembly of taping or all-purpose compound and joint-tape test, bond test, edge cracking test, and skewness test are required for paper joint-tape.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers all-purpose, taping and finishing joint compounds, paper joint tape, and glass-mesh joint tape.

    1.1.1 The joint materials used in this standard are designed to be used with gypsum board installed in accordance with Specification C840.

    1.2 This specification also covers the minimum requirements for an assembly of taping and all-purpose compound and joint tape.

    1.3 The text of this specification references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.

    1.4 The values stated in either inch-pound or SI (metric) units are to be regarded separately as standard. Within the text, the SI units are shown in parentheses. The values stated in each system shall be used independent of the other. Values from the two systems shall not be combined.

    1.5 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.

    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    C11 Terminology Relating to Gypsum and Related Building Materials and Systems

    C474 Test Methods for Joint Treatment Materials for Gypsum Board Construction

    C840 Specification for Application and Finishing of Gypsum Board

    D123 Terminology Relating to Textiles

    D3882 Test Method for Bow and Skew in Woven and Knitted Fabrics

    F1615 Specification for Cautionary Labeling for Five-Gallon Open-Head Plastic Containers

    ICS Code

    ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/C0475_C0475M-17

    Citation Format

    ASTM C475 / C475M-17, Standard Specification for Joint Compound and Joint Tape for Finishing Gypsum Board , ASTM International, West Conshohocken, PA, 2017, www.astm.org

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