Horizontal fiber brick

The Type L, 2%" thick, are most commonly used and in general meet the needs of the user. The vertical fiber brick is preferred. Brick iVs" thick called packing house tile is a horizontal fiber brick. 

The horizontal fiber structure is extruded in a ribbon 1%" x SVs" then wire cut to 8" lengths. The surface texture may be smooth. diamond pattern or have an emery grit surface. The horizontal fiber brick is more susceptible to spalling from excessive wheel load traffic and to thermal shock. Voids or blisters may form within the brick during the burning process. After a period of exposure, salts tend to filter into these voids and expand, resulting in spalling. While the exposed faces of this type of brick is more easily cleaned, the use of horizontal fiber brick is not often recommended. 

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