Halo Water Proofing has been the trusted call for Exterior Waterproofing across Fairfax because we answer the phone, show up when we say, and stand behind the work.
Background-checked Fairfax technicians ยท Real warranties

Halo Water Proofing is a VA-licensed Exterior Waterproofing company that treats every Fairfax job like it's the only one on the schedule.
Every Fairfax technician we send is background-checked and trained on the exact equipment we install โ not a subcontractor picked up for the day.
We've worked on foundations from decades-old Fairfax 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 Fairfax 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 Fairfax 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 Fairfax 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.
If your pump only shuts off for a few minutes at a time, it's worth having it checked before it fails outright.
This is one sign we tell Fairfax customers never to wait on โ wall movement tends to progress, not resolve on its own.
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 Fairfax crews handle most.
When water shows up fast, we move fast โ extraction, drying equipment, and a plan to stop it from happening again.
Get Emergency Help โSeasonal ground movement in Fairfax tends to widen existing cracks over time, so sealing early usually costs less than waiting.
Ask About Crack Repair โAlready have a pump that's struggling? We'll test it honestly and tell you whether it needs replacing or just a tune-up.
Book a Pump Check โSome Fairfax properties need both systems working together โ we'll say so honestly instead of selling just one.
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 can phase larger Fairfax commercial projects around business hours or tenant schedules so operations keep running.
Request a Commercial Quote โHere's exactly what Fairfax customers can expect from first call to final walkthrough.
We figure out fast whether this needs an emergency dispatch or a scheduled inspection.
A Fairfax 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 โ no change orders once the crew shows up.
Once the job's done, you get written proof of what was installed and exactly what the warranty covers.
Plenty of companies advertise Exterior Waterproofing in Fairfax โ 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 โ the written estimate is final.
We're not routing your call through a national center โ the person who answers is close by.
If a covered repair fails, we come back and fix it. That's part of the contract, not just a promise.
If your Fairfax basement just needs a small crack seal instead of a full system, that's exactly what we'll tell you.
We can supply the documentation most carriers ask for before approving a Fairfax claim.
Our trucks are recognizable around Fairfax โ 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 โ basement's been dry since."
"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."
"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."
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 Fairfax contract we sign.
๐ +1-866-476-1348Whether you're in an older, established part of Fairfax or a newer subdivision still settling, we've likely already worked on a foundation like yours nearby.
Coverage in Fairfax includes 22030 22031 22037 22032 22033 22035 and neighboring communities โ 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 Fairfax service radius โ a quick call confirms specifics.
The longer water sits against your foundation, the more it costs to fix. Our Fairfax line is open right now.
๐ Call +1-866-476-1348 โ Fairfax 24/7 Line