Many finishers have learned the hard way that power troweling air-entrained, normal-weight concrete is extremely risky. Purposely entrained air delays bleeding and increases the possibility of ...

Concrete dust is bad for your lungs ... porous surface. Too much troweling causes the same issue. Cement is caustic, which ...

An curved arrow pointing right. This hovercraft-like machine is used to smooth over concrete during construction. The HDX780 riding trowel was developed by Allen Engineering and is used for large ...