From a hairline crack to a fully soaked crawl space, our Sullivan crew has seen it and fixed it. No guesswork, no scare tactics — just a clear plan and a fair price.
Licensed & insured in WI · Real warranties
Halo Water Proofing is a WI-licensed Wet Basement Repair company that treats every Sullivan job like it's the only one on the schedule.
We don't run a bidding war between crews. The Sullivan technician who inspects your property is the same one who does the repair, start to finish.
Our Sullivan crew leads carry years of hands-on repair experience, not just sales training — which is why the advice you get on-site tends to match what actually needs fixing.
One phone call gets you a straight answer and a real appointment — not a vague callback promise.
📞 +1-866-476-1348Most Sullivan calls didn't start with a flood — they started with one of these small signs weeks or months earlier.
A musty smell usually means moisture is already moving through your Sullivan basement, even if the floor looks bone dry.
Small cracks in a Sullivan foundation rarely stay small — seasonal ground movement tends to widen them over time.
That white powder on basement walls is mineral residue left behind as water passes through the concrete.
If your pump only shuts off for a few minutes at a time, it's worth having it checked before it fails outright.
If a foundation wall looks like it's curving inward, that's beyond a simple patch and needs a real assessment.
Flooring that's cupping near an exterior wall often traces straight back to a basement moisture issue below.
Whatever's going on with your Sullivan property, chances are we've already fixed something similar nearby this month.
A flooded Sullivan basement doesn't wait for morning, and neither do we. Our crews pull the standing water and start drying the space the same visit.
Get Emergency Help →We seal active Sullivan foundation cracks with epoxy injection — stopping the leak at its source instead of patching the surface.
Ask About Crack Repair →A failed sump pump is the top reason for emergency calls across Sullivan after heavy rain — we install pumps sized to your actual water volume, plus battery backup for power outages.
Book a Pump Check →Some Sullivan properties need both systems working together — we'll say so honestly instead of selling just one.
Talk Drainage Options →A damp Sullivan crawl space drives up humidity throughout the house — we seal it completely with heavy-duty vapor barrier and add dehumidification where needed.
Get a Crawl Space Quote →Commercial water intrusion means bigger stakes — inventory, tenants, downtime. We scope commercial Sullivan jobs with written specs and a real timeline.
Request a Commercial Quote →No pressure, no scripts — just what actually happens once you call +1-866-476-1348.
We figure out fast whether this needs an emergency dispatch or a scheduled inspection.
No jargon, no pressure — just a clear look at what's actually going on.
Every Sullivan quote is written before work starts, not estimated verbally and adjusted later.
Once the job's done, you get written proof of what was installed and exactly what the warranty covers.
Plenty of companies advertise Wet Basement Repair in Sullivan — here's what actually separates the ones worth calling from the ones that aren't.
You get a real number before any work starts — what you approve is what you're billed.
Our crews stage locally near Sullivan, which is why most emergency calls get a technician on-site in under two hours.
Our major repairs come with written, transferable warranties — useful if you sell the Sullivan property later.
If your Sullivan basement just needs a small crack seal instead of a full system, that's exactly what we'll tell you.
Filing a claim can be confusing — we've walked Sullivan customers through this process many times.
Our trucks are recognizable around Sullivan — we don't cut corners on jobs our neighbors will see.
"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."
"Insurance claim was stressful until they stepped in with photos and a written scope. Approved within a week."
"Crew was respectful of our landscaping during the drain install and left the yard looking better than before they started."
If a covered repair doesn't hold up, we come back and make it right — no arguing, no extra invoice. That's written into every Sullivan contract we sign.
📞 +1-866-476-1348Halo Water Proofing covers Sullivan and the surrounding zip codes — from long-established neighborhoods to newer builds still settling on their foundations.
We cover these Sullivan-area zip codes: 53178 — plus nearby communities. One call confirms coverage and gets a technician scheduled.
The map below shows our general Sullivan coverage area. Call +1-866-476-1348 to confirm service at your exact address.
One call to +1-866-476-1348 gets a licensed Sullivan technician on the schedule — often same-day, 24/7 for real emergencies.
📞 Call +1-866-476-1348 — Sullivan 24/7 Line