From a hairline crack to a fully soaked crawl space, our Greendale crew has seen it and fixed it. No guesswork, no scare tactics โ just a clear plan and a fair price.
Free, no-obligation estimates ยท Real warranties

Halo Water Proofing is a WI-licensed Interior Drainage System company that treats every Greendale job like it's the only one on the schedule.
Our Greendale crew leads have handled repairs like yours dozens of times before, and a supervisor signs off before we call any job finished.
Our Greendale crew leads carry years of hands-on repair experience, not just sales training โ which is why the advice you get on-site tends to match what actually needs fixing.
Talk to a real Greendale technician today, not an automated queue. We'll explain what's going on and get you scheduled.
๐ +1-866-476-1348Most Greendale calls didn't start with a flood โ they started with one of these small signs weeks or months earlier.
A musty smell usually means moisture is already moving through your Greendale basement, even if the floor looks bone dry.
Small cracks in a Greendale foundation rarely stay small โ seasonal ground movement tends to widen them over time.
Efflorescence is a reliable early sign that water is moving through your Greendale foundation wall right now.
If your pump only shuts off for a few minutes at a time, it's worth having it checked before it fails outright.
This is one sign we tell Greendale customers never to wait on โ wall movement tends to progress, not resolve on its own.
Peeling paint near the floor upstairs is one of the last signs Greendale homeowners connect to a basement problem.
Whatever's going on with your Greendale property, chances are we've already fixed something similar nearby this month.
When water shows up fast, we move fast โ extraction, drying equipment, and a plan to stop it from happening again.
Get Emergency Help โSeasonal ground movement in Greendale tends to widen existing cracks over time, so sealing early usually costs less than waiting.
Ask About Crack Repair โAlready have a pump that's struggling? We'll test it honestly and tell you whether it needs replacing or just a tune-up.
Book a Pump Check โFor yards fighting bad grading, an exterior French drain intercepts water before it ever touches the foundation wall.
Talk Drainage Options โMusty smell upstairs with no obvious source? Check the crawl space first โ it's usually the culprit.
Get a Crawl Space Quote โWe can phase larger Greendale commercial projects around business hours or tenant schedules so operations keep running.
Request a Commercial Quote โHere's exactly what Greendale customers can expect from first call to final walkthrough.
We figure out fast whether this needs an emergency dispatch or a scheduled inspection.
A Greendale technician walks the property, checks the foundation and drainage, and explains what's found in plain language.
No verbal number that quietly grows once the truck pulls up โ the written quote is the final word.
Once the job's done, you get written proof of what was installed and exactly what the warranty covers.
Plenty of companies advertise Interior Drainage System in Greendale โ here's what actually separates the ones worth calling from the ones that aren't.
There's no verbal quote that grows once the crew shows up โ the written estimate is final.
A local dispatch model means the technician who answers your questions is the same one who shows up.
If a covered repair fails, we come back and fix it. That's part of the contract, not just a promise.
If your Greendale basement just needs a small crack seal instead of a full system, that's exactly what we'll tell you.
We photograph the damage and provide a written scope your insurance adjuster can actually use.
Every Greendale job reflects on the next referral, so we treat each one like it matters.
"Woke up to a wet basement and had someone out by mid-morning. No pressure, no upsell, just fixed it."
"Fair price, on time, cleaned up after. Wish every contractor worked this way."
"Crawl space smelled bad for years. After encapsulation, the smell upstairs is completely gone."
"Straightforward commercial quote, professional crew, no back and forth."
"French drain install took two days exactly as quoted, and the yard looked better than before."
"First contractor who actually explained where the water was coming from instead of just quoting a number."
"Sump pump inspection was thorough and they didn't try to sell me a new one when mine just needed a part replaced."
Every Greendale technician we send is background-checked and trained on the systems we install, so the crew that inspects your property is the same one that fixes it.
๐ +1-866-476-1348Halo Water Proofing covers Greendale and the surrounding zip codes โ from long-established neighborhoods to newer builds still settling on their foundations.
Coverage in Greendale includes 53129 and neighboring communities โ if you're just outside that list, call anyway, since we often extend service case by case.
Use the map as a guide to our Greendale service radius โ a quick call confirms specifics.
One call to +1-866-476-1348 gets a licensed Greendale technician on the schedule โ often same-day, 24/7 for real emergencies.
๐ Call +1-866-476-1348 โ Greendale 24/7 Line