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Term Definition

A solid masonry unit of clay or shale, formed into a rectangular prism while plastic and burned or fired in a kiln.

Acid-Resistant Brick: Brick suitable for use in contact with chemicals, usually in conjunction with acid-resistant mortars. Adobe Brick: Large roughly-molded, sun-dried clay brick of varying size. Angle Brick: Any brick shaped to an oblique angle to fit a salient corner. Arch Brick: 1. Wedge-shaped brick for special use in an arch. 2. Extremely hard-burned brick from an arch of a scove kiln. Building Brick: Brick for building purposes not especially treated for texture or color. Formerly called common brick. See ASTM Specification C 62. Clinker Brick: A very hard-burned brick whose shape is distorted or bloated due to nearly complete vitrification. Common Brick: See Building Brick. Dry-Press Brick: Brick formed in molds under high pressures from relatively dry clay (5 to 7 percent moisture content). Economy Brick: Brick whose nominal dimensions are 4 by 4 by 8 in. Engineered Brick: Brick whose nominal dimensions are 4 by 3.2 by 8 in. Facing Brick: Brick made especially for facing purposes, often treated to produce surface texture. They are made of selected clays, or treated, to produce desired color. See ASTM Specification C 216. Fire Brick: Brick made of refractory ceramic material which will resist high temperatures. Floor Brick: Smooth dense brick, highly resistant to abrasion, used as finished floor surfaces. See ASTM Specification C 410. Gauged Brick: 1. Brick which have been ground or otherwise produced to accurate dimensions. 2. A tapered arch brick. Hollow Brick: A masonry unit of clay or shale whose net cross-sectional area in any plane parallel to the bearing surface is not less than 60 percent of its gross cross-sectional area measured in the same plane. See ASTM Specification C 652. Jumbo Brick: A generic term indicating a brick larger in size than the standard. Some producers use this term to describe oversize brick of specific dimensions manufactured by them. Norman Brick: A brick whose nominal dimensions are 4 by 2 2/3 by 12 in. Paving Brick: Vitrified brick especially suitable for use in pavements where resistance to abrasion is important. See ASTM Specification C 7. Roman Brick: Brick whose nominal dimensions are 4 by 2 by 12 in. Salmon Brick: Generic term for under-burned brick which are more porous, slightly larger, and lighter colored than hard-burned brick. Usually pinkish-orange color. "SCR Brick" (Reg U.S. Pat Off., SCPI (BIA)): See SCR (Reg U.S. Pat. Off., SCPI (BIA)). Sewer Brick: Low absorption, abrasive-resistant brick intended for use in drainage structures. See ASTM Specification C 32. Soft-Mud Brick: Brick produced by molding relatively wet clay (20 to 30 percent moisture). Often a hand process. When insides of molds are sanded to prevent sticking of clay, the product is sand-struck brick. When molds are wetted to prevent sticking, the product is water-struck brick. Stiff-Mud Brick: Brick produced by extruding a stiff but plastic clay (12 to 15 percent moisture) through a die.