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ASTM C1634-09

Historical Revision

Standard Specification for Concrete Facing Brick and Other Concrete Masonry Facing Units

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1.1 This specification covers solid, dry-cast, concrete facing brick intended for interior and exterior use in constructing structural and facing masonry components and are made from portland cement, water, and suitable mineral aggregates with or without the inclusion of other materials.

Note 1—Specification C55 addresses concrete building brick used in non-facing, utilitarian applications (previously referred to in earlier editions of Specification C 55C55 as Grade Sfor general use where moderate strength and resistance to frost action and moisture penetration are required). This specification differs from Specification C55 in that it includes expanded consideration for properties of concrete brick used in facing applications and other exposures (previously referred to in earlier editions of Specification C55 as Grade Nfor use as architectural veneer and facing units in exterior walls and for use where high strength and resistance to moisture penetration and severe frost action are desired).

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.

Note 2—Concrete facing brick covered by this specification are made from lightweight or normal weight aggregates, or both.

Note 3—When particular features are desired, such as density classification, high compressive strength, surface textures for appearance or bond, finish, color, fire resistance, insulation, acoustical properties, or other special features, such properties should be specified separately by the purchaser. Suppliers should be consulted as to the availability of concrete facing brick having the desired features.


This specification covers solid, dry-cast, concrete facing brick intended for interior and exterior use in constructing structural and facing masonry components and are made from portland cement, water, and suitable mineral aggregates with or without the inclusion of other materials. Concrete facing bricks shall be grouped into density classifications as either lightweight, medium weight, or normal weight. Specimens shall be sampled, tested, and conform accordingly to the specified physical requirements (oven-dry density, maximum water absorption, and minimum net area compressive strength) suitable for their density classification.


SDO ASTM: ASTM International
Document Number C1634
Publication Date Dec. 1, 2009
Language en - English
Page Count 3
Revision Level 09
Supercedes
Committee C15.03
Publish Date Document Id Type View
Dec. 1, 2023 C1634-23A Revision
Jan. 1, 2023 C1634-23 Revision
Dec. 1, 2020 C1634-20 Revision
June 1, 2017 C1634-17 Revision
Dec. 1, 2016 C1634-16 Revision
Sept. 1, 2015 C1634-15 Revision
June 1, 2011 C1634-11 Revision
Dec. 1, 2009 C1634-09 Revision
Dec. 15, 2006 C1634-06 Revision