The Family Handyman on MSN1y
Why Are There Holes in My Concrete Floor?
Unless your concrete floor hasn't been poured yet, there's nothing you can do to prevent holes from appearing. All you can do ...
Learn more› By Shannon Palus and Anna Wenner If your shower or tub floor is at all slippery ... In our tests, the holes in the mat prevented water from pooling even in a slow-draining tub.