ASTM C1232-02

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Designation:C1232–02
Standard Terminology of
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Masonry
This standard is issued under the fixed designation C 1232; 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 freeze thaw resistance, n—the ability of masonry to maintain
integrity under the forces caused by cyclic action of freezing
1.1 This terminology covers generic terms and generic
and thawing in the presence of moisture.
definitions of terms specifically associated with masonry.
frog, n—an indentation in a bed surface of a masonry unit.
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2. Referenced Documents
Indentations not exceeding ⁄8 in. are termed a frog, some-
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times called a panel or panel frog. Indentations exceeding ⁄8
2.1 ASTM Standards:
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in. are termed a deep frog.
C 43 Terminology of Structural Clay Products
groove, n—a channel formed on surfaces other than faces of
C 1180 Terminology of Mortar and Grout for Unit Ma-
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manufactured masonry units for production or construction
sonry
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purposes.
C 1209 Terminology of Concrete Masonry Units
height, n—vertical dimension of the face of a unit when the
3. Terminology
unit is positioned as a stretcher.
hollow masonry unit—unit whose net cross-sectional area in
3.1 Definitions—The definitions in this terminology are
any plane parallel to the surface containing cores, cells, or
generic as used by ASTM Committees C12 and C15. For
deep frogs is less than 75 % of its gross cross-sectional area
terminology specific to: (1) structural clay products, see
measured in the same plane.
Terminology C 43, (2) mortar and grout, see Terminology
length, n—horizontal dimension of the face of a unit when the
C 1180, and (3) concrete masonry units, see Terminology
unit is positioned as a stretcher.
C 1209.
manufactured masonry unit, n—a manmade noncombustible
bed surface, n—(1) the nonvertical surfaces of a manufactured
building product intended to be laid by hand and joined by
masonry unit intended by the manufacturer to be joined by
mortar, grout, or other methods of joining.
mortar or other methods. (2) the in situ nonvertical surfaces
masonry, n—the type of construction made up of masonry
of a manufactured masonry unit joined by mortar or other
units laid with mortar, grout, or other methods of joining.
methods.
nominal dimension—dimension that is greater than the speci-
cryptoflorescence, n—crystalline deposit of water-soluble
fieddimensionbythethicknessofamortarjoint.Itisusually
compounds in the pores of masonry.
expressed as a whole number.
efflorescence, n—crystalline deposit, usually white, of water-
score, n—a channel formed for appearance purposes on the
soluble compounds on the surface of masonry.
face or faces of a
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