ASTM C744 - 11

    Standard Specification for Prefaced Concrete and Calcium Silicate Masonry Units

    Active Standard ASTM C744 | Developed by Subcommittee: C15.03

    Book of Standards Volume: 04.05


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    ASTM C744

    Abstract

    This specification covers prefaced concrete and calcium silicate masonry units with the exposed-to-view-in-place surfaces are coated with resin, resin and inert filler, or cement and inert filler during manufacture. The coatings are intended to produce smooth resinous tile facing. Facings should be tested according to the prescribed procedures and should meet the requirements for resistance to crazing, cracking, or spalling, resistance to chemicals, adhesion, abrasion, surface-burning characteristics, color, tint, texture, and soiling and cleansability.

    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 prefaced concrete and calcium silicate masonry units with the exposed-to-view-in-place surfaces covered at the point of manufacture with resin, resin and inert filler, or cement and inert filler to produce a smooth resinous tile facing. This specification does not address, and therefore is not applicable to, ground-face concrete masonry units that are manufactured by grinding a thin layer off the surface of a concrete masonry unit to expose aggregates within and polishing to produce a smooth, architectural finish.

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

    1.3 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.


    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

    C55 Specification for Concrete Building Brick

    C73 Specification for Calcium Silicate Brick (Sand-Lime Brick)

    C90 Specification for Loadbearing Concrete Masonry Units

    C129 Specification for Nonloadbearing Concrete Masonry Units

    C140 Test Methods for Sampling and Testing Concrete Masonry Units and Related Units

    C501 Test Method for Relative Resistance to Wear of Unglazed Ceramic Tile by the Taber Abraser

    C1232 Terminology of Masonry

    D822 Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings

    D2244 Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates

    D2486 Test Methods for Scrub Resistance of Wall Paints

    E84 Test Method for Surface Burning Characteristics of Building Materials


    ICS Code

    ICS Number Code 91.100.15 (Mineral materials and products); 91.100.30 (Concrete and concrete products)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/C0744-11

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