Foundation leaking? Basement smells off? Halo Water Proofing sends a real technician to your White Marsh property, gives you a straight answer, and fixes it right the first time.
Licensed & insured in MD ยท Real warranties

Halo Water Proofing is a MD-licensed Vapor Barrier Installation company that treats every White Marsh job like it's the only one on the schedule.
Our White Marsh crew leads have handled repairs like yours dozens of times before, and a supervisor signs off before we call any job finished.
Our White Marsh crew leads carry years of hands-on repair experience, not just sales training โ which is why the advice you get on-site tends to match what actually needs fixing.
One phone call gets you a straight answer and a real appointment โ not a vague callback promise.
๐ +1-866-476-1348Most White Marsh calls didn't start with a flood โ they started with one of these small signs weeks or months earlier.
A musty smell usually means moisture is already moving through your White Marsh basement, even if the floor looks bone dry.
Stair-step cracking in block foundations is one of the most common early signs our White Marsh crews see.
That white powder on basement walls is mineral residue left behind as water passes through the concrete.
A White Marsh 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.
These upstairs clues usually show up months after the basement moisture problem actually started.
No two White Marsh basements are the same โ soil type, age of the home, water table. We match the fix to your actual problem.
Storm season keeps our White Marsh emergency line busy โ active flooding always jumps ahead of routine inspections in the queue.
Get Emergency Help โWe seal active White Marsh foundation cracks with hydraulic cement injection โ stopping the leak at its source instead of patching the surface.
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 White Marsh properties need both systems working together โ we'll say so honestly instead of selling just one.
Talk Drainage Options โOlder White Marsh homes with vented crawl spaces see the biggest swings in seasonal humidity โ encapsulation closes that off for good.
Get a Crawl Space Quote โCommercial water intrusion means bigger stakes โ inventory, tenants, downtime. We scope commercial White Marsh 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.
We figure out fast whether this needs an emergency dispatch or a scheduled inspection.
A White Marsh 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.
Our crew completes the repair, cleans up, and walks you through the warranty on what was installed.
Plenty of companies advertise Vapor Barrier Installation in White Marsh 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.
Our crews stage locally near White Marsh, which is why most emergency calls get a technician on-site in under two hours.
Our major repairs come with written, transferable warranties โ useful if you sell the White Marsh property later.
If your White Marsh basement just needs a small crack seal instead of a full system, that's exactly what we'll tell you.
We photograph the damage and provide a written scope your insurance adjuster can actually use.
Word of mouth is still how most White Marsh customers find us, which keeps our standards high.
"Woke up to a wet basement and had someone out by mid-morning. No pressure, no upsell, just fixed it."
"Fair price, on time, cleaned up after. Wish every contractor worked this way."
"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."
"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 White Marsh contract we sign.
๐ +1-866-476-1348Our White Marsh coverage spans the full metro area, residential and commercial alike.
Coverage in White Marsh includes 21236 21128 21237 21162 and neighboring communities โ if you're just outside that list, call anyway, since we often extend service case by case.
The map below shows our general White Marsh 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 White Marsh line is open right now.
๐ Call +1-866-476-1348 โ White Marsh 24/7 Line