ASTM C129-17

Standard Specification for Nonloadbearing Concrete Masonry Units

ABSTRACT
This specification covers hollow and solid nonloadbearing concrete masonry units made from Portland cement, water, and mineral aggregates with or without the inclusion of other materials. These units are intended for use in nonloadbearing partitions, but under certain conditions they may be suitable for use in nonloadbearing exterior walls above grade where effectively protected from the weather. Concrete masonry units manufactured under this specification shall conform to the specified density classifications and compressive strength requirements.
SCOPE
1.1 This specification covers hollow and solid nonloadbearing concrete masonry units made from portland cement, water, and mineral aggregates with or without the inclusion of other materials. These units are intended for use in nonloadbearing partitions, but under certain conditions they may be suitable for use in nonloadbearing exterior walls above grade where effectively protected from the weather.  
1.2 The text of this standard 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 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 1: Concrete masonry units covered by this specification are made from lightweight or normal weight aggregates, or both.
Note 2: When particular features are desired, such as density classification, surface texture for appearance or bond, finish, color, fire resistance, insulation, acoustical properties, or other special features, such properties should be specified separately by the purchaser. However, suppliers should be consulted as to the availability of units 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:C129 −17
Standard Specification for
1
Nonloadbearing Concrete Masonry Units
This standard is issued under the fixed designation C129; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* C90 Specification for Loadbearing Concrete Masonry Units
C140 Test Methods for Sampling and Testing Concrete
1.1 This specification covers hollow and solid nonloadbear-
Masonry Units and Related Units
ing concrete masonry units made from portland cement, water,
C150 Specification for Portland Cement
and mineral aggregates with or without the inclusion of other
C207 Specification for Hydrated Lime for Masonry Pur-
materials. These units are intended for use in nonloadbearing
poses
partitions,butundercertainconditionstheymaybesuitablefor
C331 Specification for LightweightAggregates for Concrete
use in nonloadbearing exterior walls above grade where
Masonry Units
effectively protected from the weather.
C426 Test Method for Linear Drying Shrinkage of Concrete
1.2 The text of this standard references notes and footnotes
Masonry Units
that provide explanatory material. These notes and footnotes
C595 Specification for Blended Hydraulic Cements
(excluding those in tables and figures) shall not be considered
C618 Specification for Coal Fly Ash and Raw or Calcined
as requirements of the standard.
Natural Pozzolan for Use in Concrete
C989 Specification for Slag Cement for Use in Concrete and
1.3 The values stated in inch-pound units are to be regarded
as standard. The values given in parentheses are mathematical Mortars
C1157 Performance Specification for Hydraulic Cement
conversions to SI units that are provided for information only
and are not considered standard. C1232 Terminology of Masonry
NOTE 1—Concrete masonry units covered by this specification are
made from lightweight or normal weight aggregates, or both.
3. Terminology
NOTE 2—When particular features are desired, such as density
3.1 Terminology defined in Terminology C1232 shall apply
classification, surface texture for appearance or bond, finish, color, fire
for this specification.
resistance, insulation, acoustical properties, or other special features, such
properties should be specified separately by the purchaser. However,
suppliers should be consulted as to the availability of units having the
4. Classification
desired features.
4.1 Nonloadbearing concrete masonry units manufactured
1.4 This international standard was developed in accor-
in accordance with this specification shall conform to one of
dance with internationally recognized principles on standard-
three density classifications prescribed in Table 1.
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
5. Materials and Manufacture
mendations issued by the World Trade Organization Technical
5.1 Cementitious Materials—Materials shall conform to the
Barriers to Trade (TBT) Committee.
following applicable specifications:
2. Referenced Documents
5.1.1 Portland Cement—Specification C150.
2
5.1.2 Blended Hydraulic Cements—Specification C595.
2.1 ASTM Standards:
5.1.3 Hydraulic Cement—Specification C1157.
C33 Specification for Concrete Aggregates
5.1.4 Hydrated Lime, Type S—Specification C207.
5.1.5 Ground Granulated Blast Furnace Slag—
1
This specification is under the jurisdiction of ASTM Committee C15 on
Specification C989.
Manufactured Masonry Units and is the direct responsibility of Subcommittee
C15.03 on Concrete Masonry Units and Related Units.
5.1.6 Pozzolans—Specification C618.
CurrenteditionapprovedJune1,2017.PublishedJuly2017.Originallyapproved
5.2 Aggregates—Aggregates shall conform to the following
in 1937. Last previous edition approved in 2014 as C129 – 14a. DOI: 10.1520/
C0129-17.
ASTM specifications, except that grading requirements shall
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
not necessarily apply:
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
5.2.1 Normal Weight Aggregates—Specification C33.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. 5.2.2 Lightweight Aggregates—Specification C331.
*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
1

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C129−17
A
TABLE 1 Density Classification Requirements
8. Finish and Appearance
Density Oven-Dry Density of Concrete,
3 3 8
...

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: C129 − 14a C129 − 17
Standard Specification for
1
Nonloadbearing Concrete Masonry Units
This standard is issued under the fixed designation C129; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope*
1.1 This specification covers hollow and solid nonloadbearing concrete masonry units made from portland cement, water, and
mineral aggregates with or without the inclusion of other materials. These units are intended for use in nonloadbearing partitions,
but under certain conditions they may be suitable for use in nonloadbearing exterior walls above grade where effectively protected
from the weather.
1.2 The text of this standard 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 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 1—Concrete masonry units covered by this specification are made from lightweight or normal weight aggregates, or both.
NOTE 2—When particular features are desired, such as density classification, surface texture for appearance or bond, finish, color, fire resistance,
insulation, acoustical properties, or other special features, such properties should be specified separately by the purchaser. However, suppliers should be
consulted as to the availability of units 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
C90 Specification for Loadbearing Concrete Masonry Units
C140 Test Methods for Sampling and Testing Concrete Masonry Units and Related Units
C150 Specification for Portland Cement
C207 Specification for Hydrated Lime for Masonry Purposes
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 of Masonry
3. Terminology
3.1 Terminology defined in Terminology C1232 shall apply for this specification.
4. Classification
4.1 Nonloadbearing concrete masonry units manufactured in accordance with this specification shall conform to one of three
density classifications prescribed in Table 1.
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, 2014June 1, 2017. Published January 2015July 2017. Originally approved in 1937. Last previous edition approved in 2014 as C129 –
14.14a. DOI: 10.1520/C0129-14A.10.1520/C0129-17.
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
1

---------------------- Page: 1 ----------------------
C129 − 17
A
TABLE 1 Density Classification Requirements
Density Oven-Dry Density of Concrete,
3 3
Classification lb/ft (kg/m ) Average of 3 Units
Lightweight Less than 105 (1680)
Medium Weight 105 to less than 125 (1680 to 2000)
Normal Weight 125 (2000) or more
A
Consult manufacturers for available densities
5. Materials and Manufacture
5.1 Cementitious Materials—Materials shall conform to the following applicabl
...