Wet basement? Cracked foundation? A Halo Water Proofing crew can be at your McLean property today β upfront pricing, no guesswork, no pressure.

We're Halo Water Proofing β a VA-licensed, fully insured waterproofing outfit that's spent years learning exactly how water moves through McLean-area foundations, and exactly how to stop it.

We don't send apprentices to figure it out on your dime. Every McLean job is run by a technician who has done this exact repair dozens of times, with a supervisor who signs off before we call it finished.
Call now and talk to an actual technician, not a script. We'll walk you through what's likely going on and get a crew scheduled.
π +1-866-476-1348Water problems rarely announce themselves all at once β they usually show up as small clues first. Here's what our McLean technicians hear about most often before an inspection.
If the basement smells damp even when it looks dry, moisture is likely moving through the walls or floor somewhere.
Stair-step cracks in block foundations are a common early warning sign we see across McLean-area homes.
Efflorescence is a clear sign that water is actively passing through your McLean foundation wall, even if you've never seen standing water.
A pump under constant strain tends to fail at the worst possible time β usually during the next big McLean storm.
A bowing basement wall is a structural concern in addition to a water one β this is the kind of McLean call we prioritize fast.
Peeling paint low on a basement wall or warped baseboards upstairs often trace back to moisture migrating up from below.
From an emergency pump swap at 2 a.m. to a full exterior drainage system, this is the work we do in McLean every day.
Standing water in your basement doesn't wait for business hours, and neither do we. Our McLean emergency crews remove the water first, then diagnose the entry point so it doesn't happen again next storm.
Call for Emergency Service βA cracked foundation wall isn't just a cosmetic issue β it's a water entry point and, over time, a structural one. Our McLean crews assess whether it's a simple seal or a sign of bigger settlement issues before recommending a fix.
Get a Crack Assessment βMost sump pump failures we see in McLean happen during the exact storms that need them most β a battery backup closes that gap when the power drops.
Schedule a Pump Inspection βFor McLean properties fighting grading or drainage issues, an exterior French drain can intercept water before it ever reaches the foundation wall at all. We map your yard's slope and water flow before recommending which approach fits.
Ask About Drain Systems βMusty smell upstairs that you can't explain? It's usually the crawl space. Our McLean crews encapsulate the space fully β floor, walls, and vents β so moisture stops migrating into your living areas.
Get a Crawl Space Quote βWe can phase larger McLean commercial projects around business hours or tenant schedules so operations aren't disrupted mid-project.
Request a Commercial Quote βNo confusing steps, no hard sell β just the same process our McLean crews follow on every job.
You call +1-866-476-1348 and talk to a real technician who asks the right questions to understand what's likely happening at your McLean property.
We walk the space with you, point out what we find, and explain it in plain language β no jargon, no pressure.
No verbal estimates that change later. What's quoted for your McLean job is what's invoiced.
Our crew completes the work, cleans up the site, and walks you through the warranty coverage on what was installed.
You get a written number before any work begins β the price you approve is the price you pay, no change-order games.
A local dispatch model means the technician who answers questions about your McLean job is the same one who shows up to do it.
Warranty terms are explained before you sign, in plain language, so there's no fine print surprise if you ever need to use it.
If your McLean basement just needs a $200 crack seal instead of a $12,000 system, that's what we'll tell you.
Filing a water damage claim in McLean, VA can be confusing β we've done it enough times with McLean adjusters to help you avoid common denials.
Word of mouth is still how most McLean customers find us, which keeps our standards higher than a big out-of-town franchise.
"Called at 6am with a flooded basement and had a tech at my door by 8. No runaround, no upsell β just fixed it."
"Got quotes from three companies for a crack repair. These guys were the only ones who actually explained why the crack was happening instead of just quoting a price."
"Our old sump pump died during the worst storm of the year, obviously. They had a battery backup system installed within a day. Haven't worried about it since."
"Managed our building's parking garage waterproofing project. Kept to the schedule, communicated well with tenants, minimal disruption."
"French drain install took two days like they said it would, not five. Yard was put back together better than before."
"Insurance claim was a headache until they stepped in with photos and a written scope. Adjuster approved it within a week after that."
Halo Water Proofing provides Exterior Waterproofing throughout McLean and the surrounding zip codes, from established neighborhoods to newer developments still settling on their foundations.
We cover the following McLean-area zip codes: 22046 22043 22101 22102 22067 22103 22106 22107 22108 22109 β plus nearby communities. One call confirms coverage and gets a technician scheduled.
The map below shows our general McLean coverage footprint. Call +1-866-476-1348 any time to confirm service at your specific address.
The longer water sits against your McLean foundation, the more it costs to fix. Our line is open right now.
π Call +1-866-476-1348 β McLean 24/7 Line