A wet basement in Bloomington tends to announce itself in one of a few ways: a stripe of water along the floor edge after a downpour, a damp corner under a downspout, a window well that turns into a fishbowl, or a slow spread of water up through a floor crack in March. Each of those has a different cause and a different repair, which is why the first job is tracing the leak.
A contractor we refer you to handles that diagnosis in person. Call (317) 798-0634.
Reading the Clues
| What you see | Likely cause | Typical fix |
|---|---|---|
| Water along the wall-floor seam | Groundwater pressure at the cove joint | Interior drain tile and sump |
| One wet corner | Downspout or grading dumping water there | Downspout extension, regrade, maybe crack seal |
| Water from a vertical wall crack | Crack open to outside soil | Polyurethane injection |
| Water at a window | Clogged or undrained window well | Well drain, gravel, cover |
| Water around a pipe | Gap at a penetration | Hydraulic cement or seal kit |
| Water through floor cracks | High water under the slab | Sub-slab drain and sump |
| Damp walls, no puddles | Condensation in humid weather | Dehumidifier, insulation |
Bloomington-Specific Causes
- Hillside runoff. Storm water off a slope above the house saturates the soil on that side. Interceptor drains and grading are often part of the answer.
- Shallow rock. Where limestone is close to the surface, water can travel along the rock face and pop out at the footing.
- Rental and older housing near campus. Many older houses near IU have original drainage that is long past its life, plus patched walls that have been painted over several times. Landlords often discover problems between tenants.
- Sinkhole-related ponding. A low spot that holds water near the house keeps soil saturated. Don't just fill it with dirt; ask about proper repair.
Repair Options, Smallest to Largest
- Gutters and downspouts. Clean, resize and extend. Often the cheapest fix for a single wet corner.
- Regrading. Rebuild soil so it falls away from the walls.
- Window well work. Clean out, add stone and a drain, and install a cover.
- Crack injection. Seals individual leaking cracks in poured walls.
- Partial interior drain. Covers just the problem walls.
- Full perimeter drain and sump. For widespread seepage.
- Exterior excavation. For severe cases or when structural work is also needed.
Costs
HomeGuide's basement waterproofing cost guide lists foundation leak repair at about $250 to $5,000+ for minor repairs and $4,500 to $15,000+ for major ones, and downspout replacement at about $220 to $625. National averages; your quote will differ.
After the Water: Cleanup and Mold
Dry the area within a day or two if you can. Wet carpet pad and drywall can grow mold quickly. HomeGuide notes basement mold remediation can run $1,500 to $15,000 depending on severity, which is a good reason not to wait. Standard homeowners insurance often excludes seepage; check your policy.
Frequently Asked Questions
Find the leak, fix the leak.
Call (317) 798-0634 or send the form.