From a hairline foundation crack to a fully flooded crawl space, Halo Water Proofing has handled it in Fond du Lac before. We show up, we diagnose it straight, and we fix it right.

Halo Water Proofing is a licensed and insured Waterproofing company built around one idea: show up when you say you will, explain the problem in plain language, and fix it so it stays fixed.

Every technician on our Fond du Lac crew is background-checked, factory-trained on the equipment we install, and held to the same estimate we quote you over the phone β no upsell surprises when the truck pulls up.
Call now and talk to an actual technician, not a script. We'll walk you through what's likely going on and get a crew scheduled.
π +1-866-476-1348Most Fond du Lac customers didn't wake up one day with a flooded basement. It usually started small. These are the early signs worth calling about.
Odor is often the first sign Fond du Lac customers notice, well before any visible water shows up.
Even small cracks are worth a second look β they rarely stay small once seasonal ground movement gets involved.
That white chalky film on basement walls is efflorescence β mineral deposits left behind as water evaporates through concrete.
A pump under constant strain tends to fail at the worst possible time β usually during the next big Fond du Lac storm.
This is one sign we tell Fond du Lac customers not to wait on β wall movement tends to progress rather than resolve on its own.
These signs upstairs are often the last clue Fond du Lac homeowners notice, even though the moisture issue started in the basement months earlier.
Every Fond du Lac property is different β soil, slope, foundation age, water table depth. We size the fix to the actual problem, not a one-size package.
Storm season in Fond du Lac, WI means our emergency line gets busy fast β we triage calls by severity so active flooding at your Fond du Lac address jumps the queue ahead of routine inspections.
Call for Emergency Service βFreeze-thaw cycles in Fond du Lac, WI push existing cracks wider every winter, which is why we recommend sealing them before they become an active leak rather than after.
Get a Crack Assessment βA tired or undersized sump pump is the #1 reason we get emergency calls in Fond du Lac after heavy rain. We install right-sized primary pumps so your basement stays dry even if the power goes out mid-storm.
Schedule a Pump Inspection βAn interior drain tile system channels water to a sump pump before it ever reaches your Fond du Lac basement floor β one of the most reliable long-term fixes we install.
Ask About Drain Systems βA damp, uninsulated crawl space under a Fond du Lac home drives up humidity, invites mold, and wastes energy year-round. We seal it with heavy-duty vapor barrier, address any standing moisture, and can add dehumidification if needed.
Get a Crawl Space Quote βWe work directly with Fond du Lac property managers and business owners on below-grade waterproofing, parking structure sealing, and large-scale drainage corrections β scheduled around your operating hours.
Request a Commercial Quote βNo confusing steps, no hard sell β just the same process our Fond du Lac crews follow on every job.
We start with a phone conversation, not a script β enough to know whether this is an emergency dispatch or a scheduled inspection.
A technician inspects the Fond du Lac property in person, checking the foundation, drainage, grading, and any active moisture before recommending a fix.
No verbal estimates that change later. What's quoted for your Fond du Lac job is what's invoiced.
Our crew completes the work, cleans up the site, and walks you through the warranty coverage on what was installed.
There's no verbal quote that magically grows once the crew arrives at your Fond du Lac property β the written estimate is the final word.
A local dispatch model means the technician who answers questions about your Fond du Lac job is the same one who shows up to do it.
Our repairs come with written, transferable warranties β a real asset if you sell the Fond du Lac property later.
We'd rather earn a repeat customer with an honest small fix than push a system you don't need.
Filing a water damage claim in Fond du Lac, WI can be confusing β we've done it enough times with Fond du Lac adjusters to help you avoid common denials.
Our name is on trucks driving around Fond du Lac every day β we don't cut corners on a job our neighbors will see.
"They came out the same afternoon I called about water coming in during a storm. Explained everything before they touched anything. Basement's been bone dry since."
"Fair price, showed up on time, cleaned up after themselves. Wish more contractors worked like this."
"Our old sump pump died during the worst storm of the year, obviously. They had a battery backup system installed within a day. Haven't worried about it since."
"Straightforward commercial quote, no back-and-forth, crew was professional the whole project."
"We had three foundation cracks and expected a huge bill. Turned out only one needed injection β they didn't try to sell us on the other two. That honesty is rare."
"Technician actually explained why the water was coming in instead of just quoting a number. First contractor who's done that for us."
Whether you're in the older, established parts of Fond du Lac or a newer subdivision still settling, our crews have likely already worked on a foundation like yours nearby.
Coverage in Fond du Lac includes 54937 54935 54936 and the surrounding communities β if you're just outside that list, call anyway, as we frequently extend service on a case-by-case basis.
The map below shows our general Fond du Lac coverage footprint. Call +1-866-476-1348 any time to confirm service at your specific address.
The longer water sits against your Fond du Lac foundation, the more it costs to fix. Our line is open right now.
π Call +1-866-476-1348 β Fond du Lac 24/7 Line