Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Incompetency(noun) the quality or state of being incompetent; want of physical, intellectual, or moral ability; insufficiency; inadequacy; as, the incompetency of a child hard labor, or of an idiot for intellectual efforts.
#1- nobody can estimate costs over the Internet. there are many variables going into estimating. costs for a standard drop ceiling varies by quality and style, can go from $1.75.00 per sq ft,-$8.75.00. are there showers/moist areas requiring aluminum grid? what's the height? 8'-22' can be standard.
Adding a drop ceiling requires installing a wall molding at the height desired for the new ceiling, installing the grid suspension system and then lifting the panels into place, trimming some as needed. There should be at least 3-4 clearance between the old ceiling and the new one, to allow room to insert the panels.