Halo Water Proofing has been the Roslyn area's go-to call for Waterproofing because we answer the phone, show up on time, and stand behind the work.

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

Every technician on our Roslyn 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 Roslyn technicians hear about most often before an inspection.
If the basement smells damp even when it looks dry, moisture is likely moving through the walls or floor somewhere.
Hairline cracks can widen over a Roslyn winter's freeze-thaw cycle and become active leak points by spring.
It's easy to dismiss efflorescence as harmless dust, but it actually signals active moisture movement through the wall.
A pump under constant strain tends to fail at the worst possible time — usually during the next big Roslyn storm.
A bowing basement wall is a structural concern in addition to a water one — this is the kind of Roslyn call we prioritize fast.
These signs upstairs are often the last clue Roslyn homeowners notice, even though the moisture issue started in the basement months earlier.
Every Roslyn property is different — soil, slope, foundation age, water table depth. We size the fix to the actual problem, not a one-size package.
When your Roslyn basement floods, minutes matter for your drywall, flooring, and belongings. We dispatch a crew immediately, pull the water, and start drying the space with commercial-grade equipment the same visit.
Call for Emergency Service →Freeze-thaw cycles in Roslyn, NY 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 Roslyn 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 Roslyn basement floor — one of the most reliable long-term fixes we install.
Ask About Drain Systems →Musty smell upstairs that you can't explain? It's usually the crawl space. Our Roslyn crews encapsulate the space fully — floor, walls, and vents — so moisture stops migrating into your living areas.
Get a Crawl Space Quote →Commercial properties in Roslyn carry bigger stakes when water gets in: inventory, tenants, downtime. We scope commercial jobs with the same crew leads who run our residential work, backed by written specs and timelines.
Request a Commercial Quote →Here's exactly what to expect once you call +1-866-476-1348 for Waterproofing in Roslyn.
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 Roslyn property.
We walk the space with you, point out what we find, and explain it in plain language — no jargon, no pressure.
You receive a written, itemized quote before any work begins — the number you approve is the number you're billed.
Once the repair is done, you get documentation of the work and a written warranty — not just a handshake.
There's no verbal quote that magically grows once the crew arrives at your Roslyn property — the written estimate is the final word.
A local dispatch model means the technician who answers questions about your Roslyn job is the same one who shows up to do it.
If a covered repair fails, we come back and make it right. That's written into every contract, not just promised on the phone.
If your Roslyn basement just needs a $200 crack seal instead of a $12,000 system, that's what we'll tell you.
We document the damage with photos and a written scope your insurance adjuster can actually use, and we'll walk you through the claim process.
Our name is on trucks driving around Roslyn every day — we don't cut corners on a job our neighbors will see.
"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."
"Straightforward commercial quote, no back-and-forth, crew was professional the whole project."
"French drain install took two days like they said it would, not five. Yard was put back together better than before."
"Insurance claim was a headache until they stepped in with photos and a written scope. Adjuster approved it within a week after that."
Whether you're in the older, established parts of Roslyn or a newer subdivision still settling, our crews have likely already worked on a foundation like yours nearby.
Zip codes we serve in and around Roslyn: 11576. Not sure if your address is included? Call +1-866-476-1348 and we'll confirm on the spot.
The map below shows our general Roslyn coverage footprint. Call +1-866-476-1348 any time to confirm service at your specific address.
One call to +1-866-476-1348 gets a licensed Roslyn technician scheduled — often the same day, 24/7 for active emergencies.
📞 Call +1-866-476-1348 — Roslyn 24/7 Line