A patio that holds puddles either was not poured with enough fall or has settled out of its fall. A slab needs roughly a quarter inch of drop per foot, sloped away from the house, so a ten foot patio should sit about two and a half inches lower at its outer edge. When rain sits in the middle, or worse against the house, the slab has lost that geometry, and in Winston-Salem the usual reason is clay settling unevenly underneath.
Updated Aug 18, 2026 · Winston-Salem Concrete Co, Winston-Salem, NC
Standing water is not just annoying. It soaks joints, feeds freeze-thaw spalling in winter, grows algae that makes the surface slick, and if the puddle sits against the house, it is loading the foundation drainage with every storm. A puddle against the back door is a problem on a schedule.
A low spot on a sound slab can sometimes be corrected with a bonded overlay that rebuilds the fall. A settled section can be lifted back to grade with slab leveling. A patio that settled badly, cracked through, or was poured flat from day one gets torn out and repoured with correct fall, and that is also the moment to go bigger or upgrade the finish, since the crew and truck are already there.
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