ASTM C1088-14

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Designation:C1088 −14
Standard Specification for
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Thin Veneer Brick Units Made From Clay or Shale
This standard is issued under the fixed designation C1088; 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
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1.1 This specification covers thin veneer brick units made 2.1 ASTM Standards:
from clay, shale, fire clay, sand, or mixtures thereof, and fired C67 Test Methods for Sampling and Testing Brick and
to incipient fusion for use in adhered or fastened veneer Structural Clay Tile
applications. Three types of thin veneer brick units in each of C902 Specification for Pedestrian and Light Traffic Paving
two grades are covered. In this specification, the term thin Brick
veneer brick shall be understood to mean clay masonry unit C1232 Terminology of Masonry
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with a maximum thickness of 1 ⁄4 in. (44.45 mm).
3. Terminology
NOTE 1—Brick intended for paving should be specified under Specifi-
3.1 Definitions—For definitions relating to thin veneer
cation C902.
brick, refer to Terminology C1232.
1.2 The property requirements of this specification apply at
the time of purchase. The use of results from testing of brick
4. Classification
extracted from masonry structures for determining confor-
4.1 Two grades of thin veneer brick units are covered for
mance or nonconformance to the property requirements (Sec-
exposure conditions to weather and are defined in Table 1 as
tion 6) of this specification is beyond the scope of this
Interior and Exterior.
specification.
4.2 Three types of thin veneer brick units are covered as
1.3 Brick covered by this specification are manufactured
follows:
from clay, shale, or similar naturally occurring substances and
4.2.1 Type TBS (Standard)—Thin veneer brick for general
subjected to a heat treatment at elevated temperatures (firing).
use in masonry.
The heat treatment must develop sufficient fired bond between
4.2.2 Type TBX (Select)—Thin veneer brick for general use
the particulate constituents to provide the strength and dura-
in masonry where a higher degree of precision and lower
bility requirements of the specification. (See “firing” and “fired
permissible variation in size than permitted for Type TBS is
bond” in Terminology C1232.)
required.
1.4 The text of this specification references notes and
4.2.3 Type TBA (Architectural)—Thin veneer brick for gen-
footnotes which provide explanatory material. These notes and
eral use in masonry selected to produce characteristic architec-
footnotes (excluding those in tables and figures) shall not be
tural effects resulting from nonuniformity in size and texture of
considered as requirements of the standard.
the individual units.
1.5 The values stated in inch-pound units are to be regarded
4.3 When the type is not specified, the requirements for
as standard. The values given in parentheses are mathematical
Type TBS will govern.
conversions to SI units that are provided for information only
5. Materials and Manufacture
and are not considered standard.
5.1 Units shall not show surface defects and deficiencies,
nor effects of surface treatments including coating in the
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This specification is under the jurisdiction of ASTM Committee C15 on
Manufactured Masonry Units and is the direct responsibility of Subcommittee
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C15.02 on Brick and Structural Clay Tile. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Feb. 1, 2014. Published March 2014. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1988. Last previous edition approved in 2013 as C1088 – 13. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/C1088-14. 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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C1088−14
TABLE 1 Physical Requirements in combination with other physical property requirements as an indicator
of freeze/thaw durability. The geometry of the thin brick units may
Maximum Water Maximum
preclude proper testing and can affect the failure mode attained. Thus,
Absorption by 5-h Saturation
A
compressive strength test results may not be a true indicator of unit
Designation Boiling, % Coefficient
Average Average freeze-thaw performance or fired bond.
Individual Individual
of 5 units of 5 units
NOTE 3—The effect of weathering on thin brick is related to the
Grade Exterior 17.0 20.0 0.78 0.80
weathering index, which for any local
...