Foundation leaking? Basement smells off? Halo Water Proofing sends a real technician to your Gaithersburg property, gives you a straight answer, and fixes it right the first time.
Background-checked Gaithersburg technicians Β· 24/7 dispatch

Halo Water Proofing is a MD-licensed Crawl Space Encapsulation company that treats every Gaithersburg job like it's the only one on the schedule.
We don't run a bidding war between crews. The Gaithersburg technician who inspects your property is the same one who does the repair, start to finish.
We've worked on foundations from decades-old Gaithersburg 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 Gaithersburg technician today, not an automated queue. We'll explain what's going on and get you scheduled.
π +1-866-476-1348Catching one of these early usually means a smaller repair bill and a lot less stress for Gaithersburg homeowners.
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 Gaithersburg crews see.
Efflorescence is a reliable early sign that water is moving through your Gaithersburg foundation wall right now.
A Gaithersburg 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 Gaithersburg crews handle most.
A flooded Gaithersburg basement doesn't wait for morning, and neither do we. Our crews extract it fast and start drying the space the same visit.
Get Emergency Help βWe seal active Gaithersburg foundation cracks with epoxy injection β stopping the leak at its source instead of patching the surface.
Ask About Crack Repair βAlready 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 βAn interior drain tile system routes water to a sump pump before it reaches your Gaithersburg basement floor at all.
Talk Drainage Options βOlder Gaithersburg homes with vented crawl spaces see the biggest swings in seasonal humidity β encapsulation closes that off for good.
Get a Crawl Space Quote βCommercial water intrusion means bigger stakes β inventory, tenants, downtime. We scope commercial Gaithersburg jobs with written specs and a real timeline.
Request a Commercial Quote βHere's exactly what Gaithersburg customers can expect from first call to final walkthrough.
A real technician asks the right questions to understand what's likely happening at your Gaithersburg property before anyone drives out.
No jargon, no pressure β just a clear look at what's actually going on.
Every Gaithersburg 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 Gaithersburg 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 β 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.
Our technicians are trained to diagnose accurately, not to upsell β that changes the advice you actually get.
We photograph the damage and provide a written scope your insurance adjuster can actually use.
Our trucks are recognizable around Gaithersburg β we don't cut corners on jobs our neighbors will see.
"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."
"Our sump pump died during the worst storm of the year, obviously. Battery backup was installed the next day and we haven't worried since."
"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 Gaithersburg work with real, transferable warranties because we plan to be here long after the job is done, not just for the one visit.
π +1-866-476-1348Halo Water Proofing covers Gaithersburg and the surrounding zip codes β from long-established neighborhoods to newer builds still settling on their foundations.
We cover these Gaithersburg-area zip codes: 20899 20878 20879 20877 20884 20885 20898 20882 β plus nearby communities. One call confirms coverage and gets a technician scheduled.
The map below shows our general Gaithersburg 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 Gaithersburg line is open right now.
π Call +1-866-476-1348 β Gaithersburg 24/7 Line