A thin, flat steel tool, either pointed or rectangular, provided with a handle and held in the hand, used to manipulate concrete, mastic, or mortar create a dense, smooth finish on a concrete surface. It is also a machine whose rotating blades are used to finish concrete slabs. See screed, float, bull float, and darby.
A trowel is a hand tool used to spread mastic on a subfloor. Depending on the thickness of the flooring, and the manufacturer's recommendations, the trowel will be specified to have notches of a certain shape and size that will determine the amount of mastic that is applied. The coverage is called the “spread rate'.
This is a tool that an archaeologist uses to dig in the ground with. It's very useful because it allows you to dig in a sideways, scraping fashion. It's important that you clear off one level in a unit before digging down to the next level. Trowels are the single most useful tool to an archaeologist.
A flat, broad-bladed steel hand tool used to compact the paste layer at the surface and provide a smooth, flat finish. Also useful for applying topping or repair materials. Available in different shapes (with rounded or square edges) and lengths (ranging from 8 to 24 inches). Smaller trowels are useful for borders, work in restricted areas, or to work in flashing accents of dry-shake color hardener. (Also see margin trowel, fresno).
A tool used by archaeologists to dig in the ground. A trowel is very useful because it allows them to dig in a sideways, scraping fashion. It's important to clear off one level in a unit before digging down to the next level. An archaeologist's trowel is straight-edged, not curved like a shovel or garden trowel.