From a hairline crack to a fully soaked crawl space, our Green Bay crew has seen it and fixed it. No guesswork, no scare tactics — just a clear plan and a fair price.
Free, no-obligation estimates · Real warranties
Halo Water Proofing started small in the Green Bay area and grew because customers kept referring us to their neighbors — that's still how most of our work comes in today.
Every Green Bay technician we send is background-checked and trained on the exact equipment we install — not a subcontractor picked up for the day.
We've worked on foundations from decades-old Green Bay homes to brand-new builds still settling into their soil, so whatever your basement is dealing with, we've likely seen a version of it nearby.
One phone call gets you a straight answer and a real appointment — not a vague callback promise.
📞 +1-866-476-1348Water problems build slowly before they become emergencies. These are the clues our Green Bay crews hear about most.
A musty smell usually means moisture is already moving through your Green Bay basement, even if the floor looks bone dry.
Stair-step cracking in block foundations is one of the most common early signs our Green Bay crews see.
Efflorescence is a reliable early sign that water is moving through your Green Bay foundation wall right now.
A pump under constant strain tends to fail during the exact storm that needs it most.
If a foundation wall looks like it's curving inward, that's beyond a simple patch and needs a real assessment.
These upstairs clues usually show up months after the basement moisture problem actually started.
From a 2 a.m. sump pump failure to a planned exterior drainage project, here's what our Green Bay crews handle most.
Storm season keeps our Green Bay emergency line busy — active flooding always jumps ahead of routine inspections in the queue.
Get Emergency Help →Seasonal ground movement in Green Bay tends to widen existing cracks over time, so sealing early usually costs less than waiting.
Ask About Crack Repair →Most Green Bay pump failures happen during the exact storms that need them most, which is exactly why battery backup matters.
Book a Pump Check →An interior drain tile system routes water to a sump pump before it reaches your Green Bay basement floor at all.
Talk Drainage Options →Musty smell upstairs with no obvious source? Check the crawl space first — it's usually the culprit.
Get a Crawl Space Quote →We handle below-grade waterproofing for Green Bay property managers and business owners, scheduled around your operating hours to limit disruption.
Request a Commercial Quote →No pressure, no scripts — just what actually happens once you call +1-866-476-1348.
A real technician asks the right questions to understand what's likely happening at your Green Bay property before anyone drives out.
A Green Bay technician walks the property, checks the foundation and drainage, and explains what's found in plain language.
The number you approve is the number you're billed — no change orders once the crew shows up.
You get documentation of the work plus a real warranty — not just a handshake.
Plenty of companies advertise Exterior Waterproofing in Green Bay — 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 — the written estimate is final.
We're not routing your call through a national center — the person who answers is close by.
Our major repairs come with written, transferable warranties — useful if you sell the Green Bay property later.
Our technicians are trained to diagnose accurately, not to upsell — that changes the advice you actually get.
Filing a claim can be confusing — we've walked Green Bay customers through this process many times.
Our trucks are recognizable around Green Bay — we don't cut corners on jobs our neighbors will see.
"Called during a storm and had a tech at my door within two hours. Explained everything before touching anything — basement's been dry since."
"Got three quotes for a crack repair. This was the only company that actually explained why the crack was happening instead of just naming a price."
"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."
"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."
"Sump pump inspection was thorough and they didn't try to sell me a new one when mine just needed a part replaced."
We back our Green Bay work with real, transferable warranties because we plan to be here long after the job is done, not just for the one visit.
📞 +1-866-476-1348Our Green Bay coverage spans the full metro area, residential and commercial alike.
Coverage in Green Bay includes 54311 54303 54302 54301 54304 54305 54306 54308 54307 54313 and neighboring communities — 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 Green Bay service radius — a quick call confirms specifics.
The longer water sits against your foundation, the more it costs to fix. Our Green Bay line is open right now.
📞 Call +1-866-476-1348 — Green Bay 24/7 Line