ASTM C1634-17

Standard Specification for Concrete Facing Brick

ABSTRACT
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.
SCOPE
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 C55 as Grade S—for 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 N—for 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.  
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.

General Information

• Status: Historical
• Publication Date: 31-May-2017
• ICS: 91.100.30 - Concrete and concrete products
• Technical Committee: C15 - Manufactured Masonry Units
• Drafting Committee: C15.03 - Concrete Masonry Units and Related Units

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:C1634 −17
Standard Specification for
1
Concrete Facing Brick
This standard is issued under the fixed designation C1634; 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* 2. Referenced Documents
2
1.1 This specification covers solid, dry-cast, concrete facing 2.1 ASTM Standards:
brick intended for interior and exterior use in constructing C33 Specification for Concrete Aggregates
structural and facing masonry components and are made from C55 Specification for Concrete Building Brick
portlandcement,water,andsuitablemineralaggregateswithor C140 Test Methods for Sampling and Testing Concrete
without the inclusion of other materials. Masonry Units and Related Units
C150 Specification for Portland Cement
NOTE 1—Specification C55 addresses concrete building brick used in
C331 Specification for LightweightAggregates for Concrete
non-facing, utilitarian applications (previously referred to in earlier
Masonry Units
editionsofSpecificationC55asGradeS—forgeneralusewheremoderate
strength and resistance to frost action and moisture penetration are
C426 Test Method for Linear Drying Shrinkage of Concrete
required). This specification differs from Specification C55 in that it
Masonry Units
includes expanded consideration for properties of concrete brick used in
C595 Specification for Blended Hydraulic Cements
facing applications and other exposures (previously referred to in earlier
C618 Specification for Coal Fly Ash and Raw or Calcined
editions of Specification C55 as Grade N—for use as architectural veneer
Natural Pozzolan for Use in Concrete
and facing units in exterior walls and for use where high strength and
resistance to moisture penetration and severe frost action are desired).
C989 Specification for Slag Cement for Use in Concrete and
Mortars
1.2 The text of this specification references notes and
C1157 Performance Specification for Hydraulic Cement
footnotes which provide explanatory material. These notes and
C1232 Terminology of Masonry
footnotes (excluding those in tables and figures) shall not be
considered as requirements of the standard.
3. Terminology
1.3 The values stated in inch-pound units are to be regarded
3.1 Terminology defined in Terminology C1232 shall apply
as standard. The values given in parentheses are mathematical
for this specification.
conversions to SI units that are provided for information only
and are not considered standard. 3.2 Definitions of Terms Specific to This Standard:
3.2.1 concrete building brick, n—a concrete masonry unit,
NOTE 2—Concrete facing brick covered by this specification are made
with a maximum width of four (4) inches and of a weight that
from lightweight or normal weight aggregates, or both.
NOTE 3—When particular features are desired, such as density will typically permit it to be lifted and placed with one hand,
classification, high compressive strength, surface textures for appearance
that is manufactured for general use in non-facing, utilitarian
or bond, finish, color, fire resistance, insulation, acoustical properties, or
applications.
other special features, such properties should be specified separately by
3.2.2 concrete facing brick, n—a concrete masonry unit,
the purchaser. Suppliers should be consulted as to the availability of
concrete facing brick having the desired features.
with a maximum width of four (4) inches and of a weight that
will typically permit it to be lifted and placed with one hand,
1.4 This international standard was developed in accor-
that is manufactured to be typically used in an application
dance with internationally recognized principles on standard-
where one or more faces of the unit is intended to be exposed.
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
4. Materials and Manufacture
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee. 4.1 Cementitious Materials—Materials shall conform to the
following applicable specifications:
4.1.1 Portland Cement—Specification C150.
1
This specification is under the jurisdiction of ASTM Committee C15 on
Manufactured Masonry Units and is the direct responsibility of Subcommittee
2
C15.03 on Concrete Masonry Units and Related Units. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
CurrenteditionapprovedJune1,2017.PublishedJuly2017.Originallyapproved contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
in 2006. Last previous edition approved in 2016 as C1634 – 16. DOI: 10.1520/ Standards volume information, refer to the standard’s Documen
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: C1634 − 16 C1634 − 17
Standard Specification for
1
Concrete Facing Brick
This standard is issued under the fixed designation C1634; 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*
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 C55 as Grade S—for 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 N—for 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.
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.
2. Referenced Documents
2
2.1 ASTM Standards:
C33 Specification for Concrete Aggregates
C55 Specification for Concrete Building Brick
C140 Test Methods for Sampling and Testing Concrete Masonry Units and Related Units
C150 Specification for Portland Cement
C331 Specification for Lightweight Aggregates for Concrete Masonry Units
C426 Test Method for Linear Drying Shrinkage of Concrete Masonry Units
C595 Specification for Blended Hydraulic Cements
C618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete
C989 Specification for Slag Cement for Use in Concrete and Mortars
C1157 Performance Specification for Hydraulic Cement
C1232 Terminology for Masonry
3. Terminology
3.1 Terminology defined in Terminology C1232 shall apply for this specification.
3.2 Definitions of Terms Specific to This Standard:
1
This specification is under the jurisdiction of ASTM Committee C15 on Manufactured Masonry Units and is the direct responsibility of Subcommittee C15.03 on
Concrete Masonry Units and Related Units.
Current edition approved Dec. 1, 2016June 1, 2017. Published December 2016July 2017. Originally approved in 2006. Last previous edition approved in 20152016 as
C1634 – 15.C1634 – 16. DOI: 10.1520/C1634-16.10.1520/C1634-17.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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C1634 − 17
3.2.1 concrete building brick, n—a concrete masonry unit,
...