From a hairline crack to a fully soaked crawl space, our New London crew has seen it and fixed it. No guesswork, no scare tactics โ just a clear plan and a fair price.
Background-checked New London technicians 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.
We don't run a bidding war between crews. The New London technician who inspects your property is the same one who does the repair, start to finish.
We've worked on foundations from decades-old New London 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.
Talk to a real New London technician today, not an automated queue. We'll explain what's going on and get you scheduled.
๐ +1-866-476-1348Catching one of these early usually means a smaller repair bill and a lot less stress for New London homeowners.
If the basement smells damp no matter the season, water is likely finding a way in somewhere you can't see.
Small cracks in a New London foundation rarely stay small โ 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.
A New London sump pump that never rests is usually undersized or nearing the end of its life.
A wall that's starting to bow is a structural issue on top of a water issue โ this jumps to the front of our New London schedule.
Flooring that's cupping near an exterior wall often traces straight back to a basement moisture issue below.
Whatever's going on with your New London property, chances are we've already fixed something similar nearby this month.
Storm season keeps our New London 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 New London 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 New London property managers and business owners, scheduled around your operating hours to limit disruption.
Request a Commercial Quote โHere's exactly what New London customers can expect from first call to final walkthrough.
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 New London 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 New London horror story about contractors who disappear mid-job or pad the invoice. Here's how we do it differently.
We quote the job in writing after seeing it in person, so there's no surprise on the final invoice.
We're not routing your call through a national center โ the person who answers is close by.
Our major repairs come with written, transferable warranties โ useful if you sell the New London property later.
If your New London 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 โ we've walked New London customers through this process many times.
Every New London 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."
"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 New London contract we sign.
๐ +1-866-476-1348Halo Water Proofing covers New London and the surrounding zip codes โ from long-established neighborhoods to newer builds still settling on their foundations.
Zip codes we serve in and around New London: 54961. Not sure your address is included? Call +1-866-476-1348 and we'll confirm right away.
The map below shows our general New London coverage area. Call +1-866-476-1348 to confirm service at your exact address.
One call to +1-866-476-1348 gets a licensed New London technician on the schedule โ often same-day, 24/7 for real emergencies.
๐ Call +1-866-476-1348 โ New London 24/7 Line