Definitions for "Darby"
A plasterer's float, having two handles; -- used in smoothing ceilings, etc.
A stiff straightedge of wood or metal used to level the surface of wet concrete. A portable machine with large paddles like fan blades used to float and finish concrete floors and slabs. A large power-driven machine mounted on wheels that ride on steel pavement forms and is used to finish concrete pavements. See screed and float.
A flat wooden or metal tool about 4 inches wide and 42 inches long with handles; used to smooth or float the brown coat; also used on finish coat to give a preliminary true and even surface.
Edging Joints Excavation Expansion Joint Exposed Aggregate