Retaining Wall Drainage Correction in Topeka, KS
Topeka Retaining Walls corrects the drainage behind retaining walls for homeowners in Topeka, Silver Lake, Tecumseh, Berryton, and across Shawnee County, Kansas. This is the job for a wall that is sound but soaked: the face runs straight, the base sits solid, and water is the only thing wrong with it.
The correction has four parts and each one carries weight. Washed angular drainage stone takes the place of the dirt backfill against the wall, from the buried course to within a few inches of the surface. Non-woven filter fabric wraps the seam between that stone and the native ground, because Shawnee County clay migrates into open stone with every storm, and a silted stone column drains nothing at all. A perforated pipe in a fabric sock lies at the bottom of the stone and runs on a steady fall to an open outlet. Surface water gets turned away before it ever reaches the fill. The usual alternative is a few holes punched through the face with clay rammed in everywhere else.
Clay Is the Local Argument for Stone
Rain is the obvious reason to put stone behind a wall. Kansas clay is the better one. This soil takes on water and swells against the back of the wall, then dries out in August and shrinks away, leaving a gap that fills again with the next wet spell. Winter adds its own load, since water held in that clay freezes and expands. Open stone drains before any of that can happen, so the wall carries soil load and nothing more.
Water Coming From Above
A lot of what soaks a wall never travels through the ground. It runs across the top. A lawn pitched toward the wall, a patio shedding the wrong way, a downspout emptying into the bank, a driveway funneling every storm into one corner. We cut a swale, set a surface inlet, or extend a discharge line so the water goes around the wall.
Outlets That Stopped Working
Plenty of walls already have a pipe, and the pipe ends under sod, inside a mulch bed, or crushed flat by a tire. A buried outlet at the foot of a slope also ices shut in January and stays shut while the thaw arrives. We locate the end, clear it, and put it somewhere you can see and check.
Booking
Spring is failure season, and wet ground shows us exactly where the water travels. That makes it a good time to look and a poor time to dig, so we schedule the digging after it. (785) 555-0117 puts an assessment on the calendar.
Can drainage be fixed without dismantling the wall?
Partly. Water arriving over the top gets stopped at the surface with a swale, a trench drain, or a rerouted downspout, and none of that work touches the block. Water already inside the backfill is another matter, and reaching it means opening the back. On a dry-stacked wall we can often take down the upper courses, work from there, and reset them. Where the stone column is missing from top to bottom, the run has to come apart.
Are weep holes enough on their own?
They drain whatever water reaches them, and nothing else. Water sitting three feet back in the fill never sees a weep hole, and the holes silt up and take roots over the years. Weeps belong on a poured or mortared wall as one piece of a plan that also puts stone and a pipe behind the wall. They do not replace either one.
Where does the drain pipe need to come out?
Below the level of the pipe, out in the open, where water leaves under its own weight. We fit a rodent grate at the end and keep it clear of mulch and sod. Stop a pipe short inside the backfill and it becomes a reservoir, which puts the wall in worse shape than having no pipe there at all. Where the grade offers no fall, the line ends in a sump or a pop-up in a low corner.
Could a downspout be why my wall stays wet?
Very often. A downspout emptying above or behind a retaining wall drops a whole roof of water into the fill, storm after storm. We extend it in solid pipe past the wall and out to open ground. The same treatment goes to a sump discharge, a driveway that sheds toward the wall, and an uphill neighbor's grade running into your slope.