Floor drum sanders can clean off spots, stains and splotches from the flooring, taking the floor down to bare wood. However if you are not cautious or experienced enough you could damage the floor creating unsightly grooves. Floor sanders need to be handled very carefully for this matter. You need to concentrate while using floor sanders.
Solid hardwood floors do need to be sanded every once in a while and for this you will need the floor sander. Once you get started you have to sand and refinish it. It is going to be a painstaking task for which you need to have at hand at least three different kinds of sanders - the drum sander, vibrating sander, and the edge sander.
Flooring Sanders Reviews