From a hairline crack to a fully soaked crawl space, our Theresa crew has seen it and fixed it. No guesswork, no scare tactics โ just a clear plan and a fair price.
Licensed & insured in WI ยท Written pricing

We built Halo Water Proofing around a simple promise: show up when we say, tell you the truth about what's wrong, and fix it so it stays fixed.
Our Theresa crew leads have handled repairs like yours dozens of times before, and a supervisor signs off before we call any job finished.
Our Theresa 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.
One phone call gets you a straight answer and a real appointment โ not a vague callback promise.
๐ +1-866-476-1348Most Theresa 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 Theresa basement, even if the floor looks bone dry.
Stair-step cracking in block foundations is one of the most common early signs our Theresa crews see.
Efflorescence is a reliable early sign that water is moving through your Theresa foundation wall right now.
A Theresa sump pump that never rests is usually undersized or nearing the end of its life.
If a foundation wall looks like it's curving inward, that's beyond a simple patch and needs a real assessment.
Peeling paint near the floor upstairs is one of the last signs Theresa homeowners connect to a basement problem.
No two Theresa basements are the same โ soil type, age of the home, water table. We match the fix to your actual problem.
Storm season keeps our Theresa emergency line busy โ active flooding always jumps ahead of routine inspections in the queue.
Get Emergency Help โNot every crack means a structural problem, but every crack deserves a real look. We'll tell you which kind yours is.
Ask About Crack Repair โA failed sump pump is the top reason for emergency calls across Theresa after heavy rain โ we install pumps sized to your actual water volume, plus battery backup for power outages.
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 handle below-grade waterproofing for Theresa property managers and business owners, scheduled around your operating hours to limit disruption.
Request a Commercial Quote โNo pressure, no scripts โ just what actually happens once you call +1-866-476-1348.
You'll talk to a person, not a script โ enough of a conversation to know what to expect before anyone shows up.
No jargon, no pressure โ just a clear look at what's actually going on.
Every Theresa 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.
We've heard every Theresa horror story about contractors who disappear mid-job or pad the invoice. Here's how we do it differently.
There's no verbal quote that grows once the crew shows up โ the written estimate is final.
Our crews stage locally near Theresa, which is why most emergency calls get a technician on-site in under two hours.
Warranty terms are explained in plain language before you sign, with no fine-print surprises later.
We'd rather earn a repeat Theresa customer with an honest fix than push a system you don't need.
We can supply the documentation most carriers ask for before approving a Theresa claim.
Word of mouth is still how most Theresa customers find us, which keeps our standards high.
"Called during a storm and had a tech at my door within two hours. Explained everything before touching anything โ basement's been dry since."
"Fair price, on time, cleaned up after. Wish every contractor worked this way."
"Our sump pump died during the worst storm of the year, obviously. Battery backup was installed the next day and we haven't worried since."
"Handled waterproofing for our parking structure with minimal disruption to tenants and stuck to the schedule."
"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."
If a covered repair doesn't hold up, we come back and make it right โ no arguing, no extra invoice. That's written into every Theresa contract we sign.
๐ +1-866-476-1348Our Theresa coverage spans the full metro area, residential and commercial alike.
Zip codes we serve in and around Theresa: 53091. Not sure your address is included? Call +1-866-476-1348 and we'll confirm right away.
Use the map as a guide to our Theresa service radius โ a quick call confirms specifics.
The longer water sits against your foundation, the more it costs to fix. Our Theresa line is open right now.
๐ Call +1-866-476-1348 โ Theresa 24/7 Line