When groundwater starts pushing through your foundation walls or floor slab, every hour matters. We diagnose the entry point and stop it, not just mop up the symptom.
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Four commitments that separate a properly trained basement waterproofing crew from a generalist showing up with a truck and a hope.
Our crews are licensed and insured specifically for below-grade water intrusion work, not general handyman repairs dressed up as waterproofing.
Our regional units carry sump pumps, extraction gear, and injection resin on the truck so the first visit can also be the fix, not just the estimate.
No mid-job upcharges for discovering what a camera inspection would have caught on day one; the quote accounts for what we actually find.
We run a full perimeter moisture survey before recommending interior drain tile, exterior excavation, or a combination approach.
We don't run a one-size-fits-all playbook — every basement waterproofing job starts from these core service components, adapted to what your property actually needs.
We core the slab along the interior perimeter, set perforated drain tile in washed gravel, and tie the discharge into a sealed sump basin sized for your water table. Every basin includes a check valve and a sealed lid to keep radon and moisture from re-entering the finished space.
We relieve that pressure at the source with a combination of interior weep systems and, where grading allows, exterior drainage correction. Left unaddressed, hydrostatic pressure doesn't just cause seepage — it can bow block walls over time.
Non-structural cracks under an eighth of an inch typically respond well to polyurethane injection, which expands to fill the full depth of the crack and stays flexible as the foundation moves seasonally. We photograph and log every crack before and after treatment for your records.
We install water-sensing alarms and battery backup pumps that kick in automatically the moment the primary unit loses power or can't keep pace with inflow. Some clients add a cellular notification module so they get an alert on their phone, not just a beeping alarm in an empty house.
Even a basement without active leaks can push enough vapor through concrete to feed mold growth behind finished walls over time.
No ambiguity about what happens next once you call about basement seepage.
We ask a few diagnostic questions up front so the technician arrives already knowing whether to expect an interior or exterior issue.
Technicians arrive in branded, fully-stocked service vehicles and walk the affected area with you before touching anything.
You'll see the actual entry point identified before any pricing discussion, so the recommendation makes sense on its face.
Work isn't considered complete until the specific intrusion point that brought you to call is verifiably resolved — we don't close the ticket on hope.
What Lyons, IL customers are saying after their basement waterproofing service.
"Had about two inches of standing water after a spring storm and they had a sump basin and drain tile section installed the same week. Zero water since."
"The wall camera inspection actually showed us where the crack was letting water through — nobody had ever bothered to look that closely before."
"Battery backup pump saved us during a power outage last winter. Would've been a flooded finished basement otherwise."
"Quote matched the final invoice exactly, no surprise line items when the crew opened up the wall."
The questions Lyons customers ask us before booking basement waterproofing service.
Arrow Tight Waterproofing provides basement waterproofing throughout Lyons, IL, dispatching from regional staging points to keep arrival times short across our full coverage footprint.
Not sure if your address is inside our basement waterproofing coverage area? A quick call to +1-866-476-1348 gets you a straight answer from dispatch.
Notice: Arrow Tight Waterproofing is a free referral service designed to assist homeowners and businesses in connecting with independent local contractors. All contractors and service technicians are independent and Arrow Tight Waterproofing does not warrant or guarantee any work performed. It is the responsibility of the customer to verify that the hired contractor furnishes the necessary license and insurance required for the work being performed. All calls are routed to independent local service providers.