The Arrow Tight Waterproofing Story β Built by Waterproofing Specialists, Not Salespeople
We started Arrow Tight Waterproofing after years of watching homeowners get sold vague 'waterproofing packages' that never named the actual problem. Every technician we send in McLean is licensed, background-checked, and trained to diagnose before quoting β not the other way around.
Whether the job is a single crack injection or a full drainage overhaul, the same certified crew handles it start to finish in McLean β no subcontractors, no handoffs, no one new showing up halfway through.
We keep detailed job records for every property in McLean we've serviced, which means if you call back in three years with a question about your system, we can pull the exact specs of what was installed rather than starting from scratch.
IICRC-certified technicians on every job, no exceptions
licensed in VA with full liability and workers' comp coverage
Thermal imaging and calibrated moisture readings before every quote
Written, transferable warranty on all completed systems
Direct-employee crews β never subcontracted out
Warning Signs
What a Failing Foundation Actually Looks Like
Waiting until you see standing water means you've already missed the cheaper fix. These are the early signals our crews are trained to catch in McLean.
01
Efflorescence on Basement Walls
That chalky white residue on concrete or block isn't dirt β it's mineral salt left behind after water has already migrated through the wall.
02
A Musty Smell That Won't Go Away
Odor alone rarely tells you the source, but it's a reliable sign something needs a real moisture inspection rather than an air freshener.
03
Cracks Along the Wall-Floor Joint
The cove joint is the single most common water entry point in basements β staining or gaps there usually mean hydrostatic pressure is pushing water in.
04
A Sump Pump That Never Stops Running
Continuous cycling means your pump is handling more groundwater than it was sized for, and it's only a matter of time before it fails under the load.
05
Bowing or Leaning Foundation Walls
Even a slight inward lean in a block wall signals lateral soil pressure building against the foundation β this needs structural evaluation, not just a sealant.
06
Rust Stains Bleeding Through Concrete
This sign often gets dismissed as cosmetic, but it points to water reaching structural steel, which is a different severity than surface dampness.
07
Peeling Paint or Soft Drywall Near the Floor
Paint and drywall absorb moisture vapor before liquid water ever becomes visible, so bubbling or soft spots near the baseboard are an early-stage signal, not a late one.
08
Cold, Damp Floors Above a Crawl Space
Homeowners often replace or service their HVAC system first, only to find the actual cause was ground moisture migrating up through an unsealed crawl space.
Core Services
Complete Waterproofing Solutions, in McLean
From emergency response to full commercial systems, here's the range of Waterproofing work our crews handle in McLean.
01
Emergency Water Intrusion Response
Active flooding doesn't wait for business hours, and neither do we β our emergency line in McLean is answered live, 24 hours a day, with crews dispatched to stop the immediate entry point first.
We carry the equipment needed to control an active situation immediately, then scope the permanent fix once the emergency is under control.
For homeowners in McLean, we install interior drain tile, sump systems, and crawl space encapsulation sized to your property's actual groundwater load β not a one-size package.
Every residential install includes post-job moisture verification, so you have documented proof the system is working, not just our word for it.
For property managers in McLean, we coordinate around occupied units and business hours, minimizing disruption while still delivering a full waterproofing scope.
We provide the same written, itemized proposals for commercial clients as residential ones, with the added documentation many property managers need for ownership or insurance records.
Beyond drainage, our crews handle foundation crack injection, carbon fiber wall reinforcement, and structural crack classification for properties in McLean showing signs of settlement or lateral pressure.
We're upfront when a problem needs structural engineering input beyond what waterproofing alone can fix, rather than selling a repair that won't hold.
Failed or undersized sump pumps are one of the most common reasons a previously working system suddenly floods, and we treat pump sizing as its own diagnostic step, not an afterthought to drainage work.
We also correct discharge line routing and grading as part of any pump job, since a poorly graded discharge line often just recirculates water back toward the foundation.
These aren't marketing lines β they're the specific practices that separate a repair that lasts from one that doesn't.
Upfront, Itemized Pricing
We quote a fixed price after a real inspection, not a phone estimate, and we get written sign-off before any change to that scope.
Fast Local Dispatch
Response time isn't an afterthought for us β it's a scheduling metric we track and staff around, not just a marketing line.
Satisfaction Backed in Writing
If something about the completed work doesn't meet the scope we agreed to, we return and correct it under the warranty terms, in writing.
Commercial-Grade Materials, Every Time
We install the same membrane specification, pipe schedule, and pump ratings on residential jobs that commercial contracts require β never a downgraded consumer-grade substitute.
Diagnosis Before Recommendation
We inspect with thermal imaging and moisture meters before quoting anything, because a scope built on a guess is a scope that often needs redoing.
Our Process
What to Expect When You Call Arrow Tight Waterproofing
01
Call or Request an Inspection
Reach our dispatch line in McLean any time β we'll ask what you're seeing and schedule a free on-site inspection, often within 24 hours.
02
On-Site Diagnosis
A certified technician inspects the property with thermal imaging and moisture meters, mapping the actual water path before recommending anything.
03
Written, Fixed-Price Proposal
You receive an itemized proposal before any work begins β materials, labor, and scope laid out in writing, not estimated verbally.
04
Installation & Warranty Documentation
Once the system is installed and tested, you get warranty paperwork that transfers with the property if you ever sell.
Get a Free Inspection Before It Spreads
Free on-site inspection, written estimate, no obligation. We answer 24/7.
What Customers Say About Arrow Tight Waterproofing
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"Had a cove joint leak that two other companies just patched without explaining why it kept happening. Arrow Tight Waterproofing's technician showed me the moisture readings and traced it to hydrostatic pressure, then installed drain tile that's held through every storm since.Exactly the level of service we expected."
R. β Homeowner, McLean
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"Called at 11 PM with active water coming in during a storm. Live person answered immediately, crew was on-site within the hour, and they had a temporary pump running before starting the real diagnosis.That's the kind of fix that actually holds up."
K. β Emergency Client, McLean
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"We manage a small multi-unit building and needed the work scheduled around tenants. They coordinated everything cleanly and the commercial-grade membrane they used has zero callbacks two years later.Would recommend them without hesitation."
T. β Property Manager, McLean
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"Appreciated that they didn't just sell us a package. The inspection actually found the real problem β a bowing block wall β and the carbon fiber reinforcement plus crack injection fixed it properly instead of just sealing the surface.Exactly the level of service we expected."
M. β Homeowner, McLean
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"Sump pump had been cycling nonstop for weeks before we called. They correctly diagnosed it as undersized for our actual water table and upgraded it β no more constant cycling, and it's kept up with two heavy storms since.Exactly the level of service we expected."
D. β Homeowner, McLean
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"We're a small property management company and needed drainage work done across three units without disrupting tenants. Arrow Tight Waterproofing scheduled around occupied hours, communicated clearly with residents, and the itemized invoice matched the original proposal exactly.Exactly the level of service we expected."
L. β Property Manager, McLean
FAQ
Waterproofing Frequently Asked Questions
Standard inspections are typically scheduled within a few days of your call; active emergencies get same-day priority dispatch in most of our coverage area.
We never bill hourly or open-ended. The fixed price you approve in writing is the price on the final invoice, barring a documented scope change you sign off on first.
Emergency response covers active flooding, sudden sump failure, and burst pipe water intrusion β we stabilize the situation first, then scope the permanent repair.
If interior fixes haven't held or the wall shows active exterior deterioration, exterior waterproofing is usually the better long-term answer β we'll tell you honestly which applies.
We document every job with photos and moisture readings you can submit for any claim, regardless of what your policy ultimately covers.
Timeline depends entirely on scope β we give you a written schedule estimate as part of the proposal so there's no ambiguity going in.
A technician inspects the property directly with thermal imaging and moisture meters before any number is put on paper.
Yes β every completed system includes a written warranty that's transferable if you sell the property, not just a verbal assurance.
We provide Waterproofing services in McLean, with regionally staged crews that keep response times reasonable across the footprint we serve.
For the initial inspection, yes β we need access to the affected area and it helps to walk through what we're seeing together, though the visit is usually under an hour.
A patch treats the visible symptom β a caulked crack, a coat of sealant β without addressing why water found that path in the first place, so the same issue often resurfaces nearby.
Some clients ask us to speak directly with their adjuster about scope and materials, and we're glad to when it's useful for a claim already in progress.
Service Area
Our Service Footprint, in McLean
We built our coverage in McLean around regional crew staging rather than one central office, which keeps dispatch times shorter across the footprint we serve.
Call +1-866-476-1348 to confirm coverage for your specific address β given our regional staging in McLean, it's very likely within our service area.
Whether your property in McLean has a finished basement, an unfinished crawl space, or a slab foundation, our crews carry the equipment and training to assess and quote all three foundation types on the same visit.
If you're unsure whether your address falls within our service footprint, the fastest way to find out is simply calling +1-866-476-1348 β dispatch can confirm coverage on the spot.
