Halo Water Proofing has been the trusted call for Interior Drainage System across New London because we answer the phone, show up when we say, and stand behind the work.
Free, no-obligation estimates ยท Real warranties

Halo Water Proofing is a WI-licensed Interior Drainage System company that treats every New London job like it's the only one on the schedule.
Our New London crew leads have handled repairs like yours dozens of times before, and a supervisor signs off before we call any job finished.
Our New London 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.
Talk to a real New London technician today, not an automated queue. We'll explain what's going on and get you scheduled.
๐ +1-866-476-1348Most New London calls didn't start with a flood โ they started with one of these small signs weeks or months earlier.
If the basement smells damp no matter the season, water is likely finding a way in somewhere you can't see.
Stair-step cracking in block foundations is one of the most common early signs our New London crews see.
Efflorescence is a reliable early sign that water is moving through your New London foundation wall right now.
A New London 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.
Flooring that's cupping near an exterior wall often traces straight back to a basement moisture issue below.
From a 2 a.m. sump pump failure to a planned exterior drainage project, here's what our New London crews handle most.
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 โMost New London pump failures happen during the exact storms that need them most, which is exactly why battery backup matters.
Book a Pump Check โSome New London properties need both systems working together โ we'll say so honestly instead of selling just one.
Talk Drainage Options โA damp New London crawl space drives up humidity throughout the house โ we seal it completely with heavy-duty vapor barrier and add dehumidification where needed.
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.
A real technician asks the right questions to understand what's likely happening at your New London property before anyone drives out.
No jargon, no pressure โ just a clear look at what's actually going on.
No verbal number that quietly grows once the truck pulls up โ the written quote is the final word.
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.
There's no verbal quote that grows once the crew shows up โ the written estimate is final.
Our crews stage locally near New London, which is why most emergency calls get a technician on-site in under two hours.
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.
Word of mouth is still how most New London customers find us, which keeps our standards high.
"Woke up to a wet basement and had someone out by mid-morning. No pressure, no upsell, just fixed it."
"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."
"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."
"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."
We back our New London work with real, transferable warranties because we plan to be here long after the job is done, not just for the one visit.
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.
We cover these New London-area zip codes: 54961 โ plus nearby communities. One call confirms coverage and gets a technician scheduled.
Use the map as a guide to our New London service radius โ a quick call confirms specifics.
The longer water sits against your foundation, the more it costs to fix. Our New London line is open right now.
๐ Call +1-866-476-1348 โ New London 24/7 Line