ASTM C1088-00

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: C 1088 – 00
Standard Specification for
Thin Veneer Brick Units Made From Clay or Shale
This standard is issued under the fixed designation C 1088; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope * 3. Grades
1.1 This specification covers thin veneer brick units made 3.1 Two grades of thin veneer brick units are covered for
from clay, shale, fire clay, sand, or mixtures thereof, and fired exposure conditions to weather and are defined in Table 1 as
to incipient fusion for use in adhered or fastened veneer Interior and Exterior.
applications. Three types of thin veneer brick units in each of
4. Types
two grades are covered. In this specification, the term thin
4.1 Three types of thin veneer brick units are covered as
veneer brick shall be understood to mean clay masonry unit
with a maximum thickness of 1 ⁄4 in. (44.45 mm). follows:
4.1.1 Type TBS (Standard)—Thin veneer brick for general
NOTE 1—Brick intended for paving should be specified under Specifi-
use in masonry.
cation C 902.
4.1.2 Type TBX (Select)—Thin veneer brick for general use
1.2 The property requirements of this standard apply at the
in masonry where a higher degree of precision and lower
time of purchase. The use of results from testing of brick
permissible variation in size than permitted for Type TBS is
extracted from masonry structures for determining conform-
required.
ance or non-conformance to the property requirements (Section
4.1.3 Type TBA (Architectural)—Thin veneer brick for gen-
5) of this standard is beyond the scope of this standard.
eral use in masonry selected to produce characteristic architec-
1.3 Brick covered by this specification are manufactured
tural effects resulting from nonuniformity in size and texture of
from clay, shale, or similar naturally occurring substances and
the individual units.
subjected to a heat treatment at elevated temperatures (firing).
4.2 When the type is not specified, the requirements for
The heat treatment must develop sufficient fired bond between
Type TBS will govern.
the particulate constituents to provide the strength and dura-
bility requirements of the specification. (See “firing” and “fired
5. Physical Properties
bond” in Terminology C 43.)
5.1 Durability—The thin veneer brick shall conform to the
1.4 The values stated in inch-pound units are to be regarded
physical requirements in Table 1 for the grade specified. When
as standard. The metric equivalents may be approximate.
the grade is not specified, the requirements for Grade Exterior
1.5 The text of this standard references notes and footnotes
shall govern. If the water absorption of each unit is less than
which provide explanatory material. These notes and footnotes
8.0 % after submersion in cold water for 24 h, the requirements
(excluding those in tables and figures) shall not be considered
for saturation coefficient shall be waived. If exterior or interior
as requirements of the standard.
grade thin veneer brick are intended for use on interiors only,
the requirements for water absorption (5-h boiling) and for
2. Referenced Documents
saturation coefficient for interior grade in Table 1 shall govern.
2.1 ASTM Standards:
5.2 Freezing and Thawing—The requirements specified in
C 43 Terminology of Structural Clay Products
5.1 for water absorption (5-h boiling) and saturation coefficient
C 67 Test Methods for Sampling and Testing Brick and
shall be waived provided a sample of 5 typical exterior grade
Structural Clay Tile
thin veneer brick, meeting all other requirements, complies
C 902 Specification for Pedestrian and Light Traffic Paving
with the following requirements when subjected to 50 cycles of
Brick
the freezing-and-thawing test:
E 835/E 835M Guide for Modular Coordination of Clay
5.2.1 Grade Exterior—No breakage and not greater than
and Concrete Masonry Units
0.5 % loss in dry weight of any individual brick.
6. Efflorescence
This specification is under the jurisdiction of ASTM Committee C15 on
Manufactured Masonry Units and is the direct responsibility of Subcommittee
6.1 When the thin veneer brick are tested in accordance with
C15.02 on Clay Brick and Structural Clay Tile.
Test Methods C 67, the rating for efflorescence shall be “not
Current edition approved June 10, 2000. Published September 2000. Originally
published as C 1088–88. Last previous edition C 1088–96.
effloresced.”
Annual Book of ASTM Standards, Vol 04.05.
Annual Book of ASTM Standards, Vol 04.07.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
C 1088
TABLE 1 Physical Requirements
purchaser. The texture of the finished surfaces that will be
Maximum Water Maximum exposed when in place shall conform to an approved sample
Absorption by 5-h Saturation
consisting of not less than four typical stretcher thin veneer
A
Designation Boiling, % Coefficient
brick, each representing the desired texture. The color range
Average Average
Individual Individual
of 5 units of 5 units shall be indicated by the approved sample.
Grade Exterior 17.0 20.0 0.78 0.80
9. Size
Grade Interior 22.0 25.0 0.88 0.90
A
The saturation coefficient is the ratio of absorption by 24-h submersion in cold 9.1 Size—The face size of thin veneer brick shall be as
water to that after 5-h submersion in boiling water.
specified by the purchaser. In a representative sample of ten
units selected to include the extreme range of color and
dimensions of thin veneer brick to be supplied for each size and
7. Material, Finish, and Manufacturer Limitation
color combination in the purchase order, no thin brick shall
7.1 Units shall not show surface defects and deficiencies,
depart from the specified size by more than the individual
nor effects of surface treatments including coating in the
tolerance for the type specified as prescribed in Table 3.
manufacturi
...