The finishes are performed without help of table faces. These type of finishes are listed as below…
a) Float finish:
Float is a tool used to finish a concrete surface by floating on it. After the concrete is poured on the table is levelled by using screed, then float tool is used. Float may be the small or large handle tool sometimes its powered by engine.
b) Trowel finish:
Trowel also a tool used to finish a concrete surface by pushed and pulled across the concrete surface. Trowels are performed in both manual and mechanical types.
A manual trowel consists of a flat steel blade with an attached handle on top. A Mechanical trowel is used for large commercial projects which have rotational of large fans with the blades directly against the concrete surface.
c) Polished finish:
Polished Finish is a multi-step process where a Precast concrete is polished with bonded abrasives or chemicals in order to grind a precast concrete surface. It is then refined with each grind in order to achieve a specified level of appearance.
d) Broom finish:
Broom finish of the concrete is rough surface finished made by forcing or dragging a broom on the troweled surface while the concrete is still fresh.
e) Sand Blast Finish:
A sandblasted precast panel has a rough finish which is achieved when a precast panel surface is subjected to a high-pressure blast of siliceous sand through an air gun.
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