From a hairline foundation crack to a fully flooded crawl space, Halo Water Proofing has handled it in Glenmont before. We show up, we diagnose it straight, and we fix it right.

Halo Water Proofing is a licensed and insured Exterior Waterproofing company built around one idea: show up when you say you will, explain the problem in plain language, and fix it so it stays fixed.

Every technician on our Glenmont crew is background-checked, factory-trained on the equipment we install, and held to the same estimate we quote you over the phone — no upsell surprises when the truck pulls up.
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.
📞 +1-866-476-1348Water problems rarely announce themselves all at once — they usually show up as small clues first. Here's what our Glenmont technicians hear about most often before an inspection.
A musty smell in the basement or crawl space is usually moisture you can't see yet, not just "old house smell."
Even small cracks are worth a second look — they rarely stay small once seasonal ground movement gets involved.
It's easy to dismiss efflorescence as harmless dust, but it actually signals active moisture movement through the wall.
A sump pump that never stops cycling is often working harder than it should, or is undersized for your Glenmont lot's water table.
If a foundation wall looks like it's leaning or bulging inward, that's beyond a simple seal and needs a full assessment.
These signs upstairs are often the last clue Glenmont homeowners notice, even though the moisture issue started in the basement months earlier.
Every Glenmont property is different — soil, slope, foundation age, water table depth. We size the fix to the actual problem, not a one-size package.
Storm season in Glenmont, MD means our emergency line gets busy fast — we triage calls by severity so active flooding at your Glenmont address jumps the queue ahead of routine inspections.
Call for Emergency Service →Freeze-thaw cycles in Glenmont, MD push existing cracks wider every winter, which is why we recommend sealing them before they become an active leak rather than after.
Get a Crack Assessment →Most sump pump failures we see in Glenmont happen during the exact storms that need them most — a battery backup closes that gap when the power drops.
Schedule a Pump Inspection →An interior drain tile system channels water to a sump pump before it ever reaches your Glenmont basement floor — one of the most reliable long-term fixes we install.
Ask About Drain Systems →A damp, uninsulated crawl space under a Glenmont home drives up humidity, invites mold, and wastes energy year-round. We seal it with heavy-duty vapor barrier, address any standing moisture, and can add dehumidification if needed.
Get a Crawl Space Quote →We can phase larger Glenmont commercial projects around business hours or tenant schedules so operations aren't disrupted mid-project.
Request a Commercial Quote →Here's exactly what to expect once you call +1-866-476-1348 for Exterior Waterproofing in Glenmont.
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 Glenmont property.
We walk the space with you, point out what we find, and explain it in plain language — no jargon, no pressure.
No verbal estimates that change later. What's quoted for your Glenmont job is what's invoiced.
Once the repair is done, you get documentation of the work and a written warranty — not just a handshake.
We quote the job in writing after inspecting it in person, so what you agree to on the phone or at your door is what shows up on the final invoice.
A local dispatch model means the technician who answers questions about your Glenmont job is the same one who shows up to do it.
Our repairs come with written, transferable warranties — a real asset if you sell the Glenmont property later.
If your Glenmont 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 Glenmont, MD can be confusing — we've done it enough times with Glenmont adjusters to help you avoid common denials.
Word of mouth is still how most Glenmont customers find us, which keeps our standards higher than a big out-of-town franchise.
"They came out the same afternoon I called about water coming in during a storm. Explained everything before they touched anything. Basement's been bone dry since."
"Fair price, showed up on time, cleaned up after themselves. Wish more contractors worked like this."
"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."
"We had three foundation cracks and expected a huge bill. Turned out only one needed injection — they didn't try to sell us on the other two. That honesty is rare."
"Technician actually explained why the water was coming in instead of just quoting a number. First contractor who's done that for us."
Halo Water Proofing provides Exterior Waterproofing throughout Glenmont and the surrounding zip codes, from established neighborhoods to newer developments still settling on their foundations.
Coverage in Glenmont includes 20906 and the surrounding communities — if you're just outside that list, call anyway, as we frequently extend service on a case-by-case basis.
Use the map to gauge our Glenmont service radius — for an exact confirmation, a quick call is the fastest way to know.
The longer water sits against your Glenmont foundation, the more it costs to fix. Our line is open right now.
📞 Call +1-866-476-1348 — Glenmont 24/7 Line