Basement Water Intrusion Repair & Waterproofing in Chicago and NW Indiana
Struggling with a wet, leaky, or flooded basement?
Don’t wait for water damage to get worse—Perma-Seal stops water before it starts with proven basement waterproofing and water intrusion repair systems. Serving Chicago and NW Indiana for over 45 years.
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Stop Water Intrusion Before It Destroys Your Home
- Sump pump water intrusion
- Leaky or flooded basement
- Crawl space water intrusion and mold
- Rainwater and stormwater intrusion
- Foundation crack water intrusion
- Concrete floor water seepage
- Window well water intrusion
Signs You Need Basement Waterproofing
- Water pooling on the floor after rain
- Musty odors or mold growth
- High basement humidity
- White chalky residue on walls (efflorescence)
- Foundation wall or floor cracks
- Malfunctioning sump pump
- Water leaking through window wells
These symptoms point to interior or exterior water intrusion—and they won’t fix themselves. Let Perma-Seal help you diagnose the problem and prevent future water damage.
Our Water Intrusion & Waterproofing Solutions
| Problem | Perma-Seal Solution |
|---|---|
| Wet basement or floor water intrusion | Interior drain tile system + sealed sump basin |
| Sump pump water backup | High-capacity dual pump with battery backup |
| Cracks in walls or slab | Urethane crack injections that flex with foundation movement |
| Hydrostatic pressure or rising water table | Exterior waterproofing membrane and footing drains |
| High humidity or musty odors | Commercial-grade dehumidifier tied to drainage |
| Window well water leaks | Window well covers + drainage connection |
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Why Choose Perma-Seal for Waterproofing?
Perma-Seal is an industry leader that provides exceptional products installed by expertly trained professionals. We know what type of problems to expect and how to appropriately assess and provide the best type of repair for each situation we come across. We treat every job as if we were performing the work on our own home.
Contact Us for Basement Waterproofing in Chicago and NW Indiana
Have questions about water in your basement? Need expert advice on the best waterproofing solution for your home?
Perma-Seal is here to help. Our team of trusted experts is ready to assess your water intrusion concerns, explain your options, and provide a free, no-pressure quote tailored to your home’s needs. Call today at 800-421-7325 or click the button below to fill out our online contact form.
Frequently Asked Questions
How much does basement waterproofing cost?
What’s the difference between interior and exterior waterproofing?
Interior waterproofing addresses water that’s already entered, while exterior waterproofing prevents water from getting in. We’ll recommend the right approach for your home.
Will a sump pump fix everything?
Not on its own. It’s only part of a complete system that includes drainage, sealing, and moisture control.
Our Reviews
Basement Waterproofing
Rosalind Thurston
Basement Waterproofing
Jesse- very thorough and professsional.Answered all our questions and gave us good options to consider.
Mike V
Sump Pump Replacement
Anthony Modica came out to replace my pump system. I liked how well he was equipped with knowledge on pumps and he gave me options for replacements.
Emilio
