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

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

We don't send apprentices to figure it out on your dime. Every Sunbury 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.
One call gets you a straight answer and a real appointment window β not a call-back promise.
π +1-866-476-1348Most Sunbury customers didn't wake up one day with a flooded basement. It usually started small. These are the early signs worth calling about.
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 β 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 Sunbury lot's water table.
A bowing basement wall is a structural concern in addition to a water one β this is the kind of Sunbury call we prioritize fast.
Flooring that's cupping or warping near an exterior wall is a common clue our Sunbury crews trace back to a drainage issue.
From an emergency pump swap at 2 a.m. to a full exterior drainage system, this is the work we do in Sunbury every day.
Standing water in your basement doesn't wait for business hours, and neither do we. Our Sunbury emergency crews extract standing water first, then diagnose the source so it doesn't happen again next storm.
Call for Emergency Service βHairline cracks are how most Sunbury basements start leaking. We use epoxy injection to seal the crack from the inside out, stopping the leak at the source instead of just painting over the symptom.
Get a Crack Assessment βA tired or undersized sump pump is the #1 reason we get emergency calls in Sunbury after heavy rain. We install battery backup units so your basement stays dry even if the power goes out mid-storm.
Schedule a Pump Inspection βSome Sunbury lots need both an interior and exterior system working together β we'll tell you honestly if that's the case rather than selling just one.
Ask About Drain Systems βA damp, uninsulated crawl space under a Sunbury 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 βWe can phase larger Sunbury 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 Sunbury 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 Sunbury property.
We walk the space with you, point out what we find, and explain it in plain language β no jargon, no pressure.
You receive a written, itemized quote before any work begins β the number you approve is the number you're billed.
Our crew completes the work, cleans up the site, and walks you through the warranty coverage on what was installed.
There's no verbal quote that magically grows once the crew arrives at your Sunbury property β the written estimate is the final word.
Because we're actually based near Sunbury rather than routing calls through a national center, we can usually get someone out the same day you call.
If a covered repair fails, we come back and make it right. That's written into every contract, not just promised on the phone.
We'd rather earn a repeat customer with an honest small fix than push a system you don't need.
Filing a water damage claim in Sunbury, PA can be confusing β we've done it enough times with Sunbury adjusters to help you avoid common denials.
Every Sunbury job reflects on the next referral, so we treat each one like it's the only advertising that matters.
"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."
"Crawl space smelled awful for years. Encapsulation crew did a clean job and the smell is completely gone upstairs now."
"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."
"Technician actually explained why the water was coming in instead of just quoting a number. First contractor who's done that for us."
Whether you're in the older, established parts of Sunbury or a newer subdivision still settling, our crews have likely already worked on a foundation like yours nearby.
Coverage in Sunbury includes 17801 and the surrounding communities β if you're just outside that list, call anyway, as we frequently extend service on a case-by-case basis.
The map below shows our general Sunbury coverage footprint. Call +1-866-476-1348 any time to confirm service at your specific address.
The longer water sits against your Sunbury foundation, the more it costs to fix. Our line is open right now.
π Call +1-866-476-1348 β Sunbury 24/7 Line