Buried Downspout Extensions That Move Roof Water Past the Foundation
Family owned since 1994, Epp Foundation Repair installs buried discharge pipe and pop-up emitters across Nebraska, Iowa, Kansas, and Missouri.
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A local specialist will inspect your foundation, walk you through the findings, and send a clear estimate, no cost, no pressure.
Downspout Extensions: how it works and when it's the right call.
Epp Foundation Repair routes PVC pipe underground from each problem downspout to a discharge point well outside the foundation backfill zone. The buried pipe slopes toward daylight, a pop-up emitter, a dry well, or a tie-in to an existing storm conveyance where local code permits. A pop-up emitter opens under pressure when water arrives, then closes to keep rodents and debris out between rains. The trench runs deeper where mowers or vehicle loads cross the line. Above-ground extensions and splash blocks work in mild cases, but lawn equipment often displaces them. The buried system disappears under sod and routes around tree roots the crew maps before trenching. Loess soils across eastern Nebraska and western Iowa can hold water against foundation walls after saturation, so getting the discharge past the wetted zone is the entire mechanism: less water against the wall equals less hydrostatic pressure, less seepage at the cove joint, and less wall deflection through each winter's freeze-thaw cycles.
Foundation Drainage
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How we install downspout extensions.
Step 01.Walk and Diagnose Problem Runs
An Epp foundation specialist walks the perimeter during or right after a rain when possible, identifies which downspouts discharge too close to the foundation, checks splash patterns at each corner, and marks the runs that need extension.
Step 02.Plan Routing and Discharge Point
The crew maps trench routing to avoid tree roots, irrigation lines, gas service, and septic fields, then selects a discharge point well away from the foundation. On sloped lots that means daylight at a swale; on the flat Sarpy County subdivisions Bellevue basement waterproofing crews work, that usually means a pop-up emitter at the property line.
Step 03.Trench and Lay Pipe
Crews trench with a dedicated trenching machine, set PVC pipe sloped toward the discharge, and solvent-weld all joints. Sweep elbows replace 90-degree fittings at every turn so debris doesn't lodge inside the line.
"I tell homeowners the same thing in Lincoln, Omaha, and Council Bluffs every week: walk outside in a rainstorm and watch where your downspouts dump. If it's at the corner of your house, fix that first. I've seen a short run of buried pipe save people a waterproofing bill many times its size, more times than I can count."
Care and expertise from a team that's been doing this since 1994.
Epp Foundation Repair is locally owned and operated, with crews dedicated exclusively to foundation, basement, and concrete work across the Midwest.
Foundation repair, waterproofing, and concrete leveling are our entire focus, not a sideline.
Three decades of experience with Midwest soils, basements, and weather conditions.
Recognized by the Better Business Bureau for integrity and ethical business practices.
Many of our repairs carry a written Epp warranty. The warranty page lists every covered repair and its terms.
Answers to common questions about Downspout Extensions.
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Basement Waterproofing warning signs this solution resolves.
Each problem sign below is a symptom this solution is engineered to fix. See how we diagnose it before we recommend this method.
Wet Basement Walls
Epp Foundation Repair has diagnosed wet basement walls in Nebraska, Iowa, Kansas, and Missouri homes since 1994. BBB A+. BBB Integrity Award.
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Basement Flooding
Epp Foundation Repair has diagnosed recurring basement flooding across Nebraska, Iowa, Kansas, and Missouri since 1994. BBB A+. BBB Integrity Award.
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Water at the Cove Joint
Epp Foundation Repair, family owned since 1994, installs interior drain systems at the cove joint in Nebraska, Iowa, Kansas, and Missouri basements. Epp holds a BBB A+ rating and the BBB Integrity Award.
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Condensation on Windows
Epp Foundation Repair has measured basement humidity in Nebraska, Iowa, Kansas, and Missouri homes since 1994 and holds a BBB A+ rating and the BBB Integrity Award.
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Efflorescence
Epp Foundation Repair, family owned since 1994, inspects efflorescence patterns across Nebraska, Iowa, Kansas, and Missouri basements. Epp holds a BBB A+ rating and the BBB Integrity Award.
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Mold Growth
Epp Foundation Repair has eliminated the moisture source behind basement mold across Nebraska, Iowa, Kansas, and Missouri since 1994. BBB A+. BBB Integrity Award.
Learn moreServing Nebraska, Iowa, Kansas & Missouri.
Local crews based in five regional offices, dispatched daily across four states. If your town isn't listed, call us: we likely serve your area.
- Omaha, NE
- Lincoln, NE
- Topeka, KS
- Sioux City, IA
- Bellevue, NE
- St. Joseph, MO
- Council Bluffs, IA
- Grand Island, NE
- Papillion, NE
- Kearney, NE
Take the first step toward a healthy home.
A straightforward path from initial inspection to completed repairs.
Schedule your inspection.
A local specialist visits your home, evaluates the foundation, and answers your questions on site. No cost, no obligation.
Receive an estimate based on your needs.
We provide a clear, Customized Repair Estimate with a scope of work tailored to your home's specific issues. Typically within one business day.
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Trained crews complete the work on schedule.
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- A local foundation specialist on site
- A complete walk-through of the findings
- A Customized Repair Estimate within one business day
- No cost, no obligation, no high-pressure sales
Expert guidance on protecting your home.
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Five regional offices across the Midwest.
St. Joseph, MO 64506