Halo Water Proofing has been the trusted call for Exterior Waterproofing across Alton because we answer the phone, show up when we say, and stand behind the work.
Licensed & insured in IL 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 Alton crew leads have handled repairs like yours dozens of times before, and a supervisor signs off before we call any job finished.
We've worked on foundations from decades-old Alton 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 Alton technician today, not an automated queue. We'll explain what's going on and get you scheduled.
๐ +1-866-476-1348Water problems build slowly before they become emergencies. These are the clues our Alton crews hear about most.
Odor is often the very first clue Alton homeowners notice, well before any water is visible.
A crack that wasn't there last year is worth a look before it becomes an active leak point.
Efflorescence is a reliable early sign that water is moving through your Alton foundation wall right now.
A pump under constant strain tends to fail during the exact storm that needs it most.
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 Alton 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 Alton property, chances are we've already fixed something similar nearby this month.
Storm season keeps our Alton emergency line busy โ active flooding always jumps ahead of routine inspections in the queue.
Get Emergency Help โSeasonal ground movement in Alton tends to widen existing cracks over time, so sealing early usually costs less than waiting.
Ask About Crack Repair โMost Alton pump failures happen during the exact storms that need them most, which is exactly why battery backup matters.
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 โOlder Alton homes with vented crawl spaces see the biggest swings in seasonal humidity โ encapsulation closes that off for good.
Get a Crawl Space Quote โWe can phase larger Alton commercial projects around business hours or tenant schedules so operations keep running.
Request a Commercial Quote โHere's exactly what Alton customers can expect from first call to final walkthrough.
We figure out fast whether this needs an emergency dispatch or a scheduled inspection.
No jargon, no pressure โ just a clear look at what's actually going on.
Every Alton 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 Alton 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 Alton property later.
If your Alton 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 Alton customers through this process many times.
Word of mouth is still how most Alton 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."
"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."
"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."
"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 Alton 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 Alton 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 Alton: 62018 62002. Not sure your address is included? Call +1-866-476-1348 and we'll confirm right away.
The map below shows our general Alton coverage area. Call +1-866-476-1348 to confirm service at your exact address.
The longer water sits against your foundation, the more it costs to fix. Our Alton line is open right now.
๐ Call +1-866-476-1348 โ Alton 24/7 Line