Definitions (4)

1. In concrete, an individual or continuous support used to hold reinforcing bars in position. Usually used in slab work.

2. A short wood or steel member positioned horizontally on top of a column to support beams or girders.

3. A mason's blocking chisel.

4. A piece of wood, generally a nominal 4" in cross section, placed between stickered packages of lumber or other wood products to provide space for the entry and exit of the forks of a lift truck.

Picture of bolster
Picture of bolster


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