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

Halo Water Proofing started small in the Greenbelt area and grew because customers kept referring us to their neighbors โ that's still how most of our work comes in today.
Our Greenbelt 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 Greenbelt 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.
One phone call gets you a straight answer and a real appointment โ not a vague callback promise.
๐ +1-866-476-1348Catching one of these early usually means a smaller repair bill and a lot less stress for Greenbelt homeowners.
A musty smell usually means moisture is already moving through your Greenbelt basement, even if the floor looks bone dry.
A crack that wasn't there last year is worth a look before it becomes an active leak point.
It's easy to mistake efflorescence for harmless dust, but it actually signals active moisture movement.
A pump under constant strain tends to fail during the exact storm that needs it most.
This is one sign we tell Greenbelt customers never to wait on โ wall movement tends to progress, not resolve on its own.
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 Greenbelt 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 โWe seal active Greenbelt foundation cracks with epoxy injection โ stopping the leak at its source instead of patching the surface.
Ask About Crack Repair โMost Greenbelt 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 โA damp Greenbelt 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 โCommercial water intrusion means bigger stakes โ inventory, tenants, downtime. We scope commercial Greenbelt jobs with written specs and a real timeline.
Request a Commercial Quote โNo pressure, no scripts โ just what actually happens once you call +1-866-476-1348.
You'll talk to a person, not a script โ enough of a conversation to know what to expect before anyone shows up.
A Greenbelt technician walks the property, checks the foundation and drainage, and explains what's found in plain language.
No verbal number that quietly grows once the truck pulls up โ the written quote is the final word.
Our crew completes the repair, cleans up, and walks you through the warranty on what was installed.
We've heard every Greenbelt 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.
A local dispatch model means the technician who answers your questions is the same one who shows up.
If a covered repair fails, we come back and fix it. That's part of the contract, not just a promise.
We'd rather earn a repeat Greenbelt customer with an honest fix than push a system you don't need.
We can supply the documentation most carriers ask for before approving a Greenbelt claim.
Our trucks are recognizable around Greenbelt 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."
"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."
"Expected a huge bill for three cracks, only one actually needed injection. Appreciated the honesty."
"First contractor who actually explained where the water was coming from instead of just quoting a number."
"Crew was respectful of our landscaping during the drain install and left the yard looking better than before they started."
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 Greenbelt contract we sign.
๐ +1-866-476-1348Whether you're in an older, established part of Greenbelt or a newer subdivision still settling, we've likely already worked on a foundation like yours nearby.
We cover these Greenbelt-area zip codes: 20770 20768 20771 โ plus nearby communities. One call confirms coverage and gets a technician scheduled.
The map below shows our general Greenbelt coverage area. Call +1-866-476-1348 to confirm service at your exact address.
One call to +1-866-476-1348 gets a licensed Greenbelt technician on the schedule โ often same-day, 24/7 for real emergencies.
๐ Call +1-866-476-1348 โ Greenbelt 24/7 Line