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Protect Your Home with Expert Wall Crack Waterproofing

Wall Crack Sealing & Waterproofing in Chicago & NW Indiana

Perma-Seal provides expert solutions for leaky wall cracks, foundation wall crack sealing, and hydrostatic pressure relief. We stop water where it starts and restore stability to your home’s structure.

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Wall Cracks Are More Than Just a Cosmetic Issue

Cracks in your walls could be signs of deeper issues like foundation settlement, hydrostatic pressure buildup, or structural movement damage. Left unaddressed, these cracks allow water seepage, lead to mold from water damage, and compromise your home’s safety.

We handle:

  • Leaky wall crack problems
  • Foundation wall cracks
  • Cracks from hydrostatic pressure
  • Cracks due to structural shifts or aging
  • Water seepage in basement walls
  • Wall cracks causing moisture or mold
Blocked wall cracked foundation leaks
Leaky Wall Cracks

Signs You Need Wall Crack Repair and Waterproofing

Don’t ignore these early warning signs—they point to potential foundation movement or moisture damage:

  • Cracks that widen over time
  • Water leaks or damp spots near cracks
  • White powdery residue (efflorescence) on walls
  • Mold, mildew, or musty odors
  • Bowing or leaning foundation walls
  • Floor or ceiling separation from walls

Let Perma-Seal help with a free wall crack inspection to diagnose the issue and recommend the right fix.

Wall Crack Problems & Waterproofing Solutions

Wall Crack Issue Perma-Seal Solution
Leaky vertical wall cracks Urethane crack injection that seals and expands with movement
Water seepage through cracks Interior drain tile system + crack sealant
Foundation wall cracks from settling Structural reinforcement + injection sealing
Mold from water entering through cracks Moisture remediation + dehumidification system
Multiple cracks from hydrostatic pressure Wall stabilization + water diversion system
Ongoing crack spreading Wall crack diagnostics and customized treatment plan

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Why Choose Perma-Seal for Waterproofing?

Perma-Seal is the trusted name in wall crack evaluation and waterproofing. With decades of experience, we understand the difference between a minor cosmetic crack and a sign of deeper structural movement or foundation settlement. Our expertly trained team performs detailed inspections and delivers precise, long-lasting solutions—whether it’s sealing a leaky wall crack, injecting expanding urethane, or reinforcing your foundation. We approach every home with the same care, craftsmanship, and attention to detail as if it were our own.
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Contact Us for Leaky Wall crack Repair in Chicago and NW Indiana

From wall crack inspections to professional crack sealing and waterproofing, Perma-Seal has the tools and expertise to protect your home from the ground up.

Our team of trusted experts is ready to assess your home, 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

Cracks can result from hydrostatic pressure, soil movement, poor drainage, or normal settling. A professional evaluation can pinpoint the cause.
Not all cracks require structural repair, but any crack that leaks water or grows over time should be assessed by a professional.
We use urethane injection systems that bond the crack and expand with your foundation, providing a long-term seal.

Trusted By Thousands of Homeowners

Basement Wall Sealant

I want to thank the guys who were here on-time and responsive. They arrived and completed the job, cleaned the space and followed-up after the work. We had record rain… Read more “Basement Wall Sealant”

Sam Cade

Basement Waterproofing

I had Jim Antonsen in my home to advise my husband and I on a water issue we’ve had in our basement for what seems like forever! Not only did… Read more “Basement Waterproofing”

the gold in one son

Basement Waterproofing

Antonio Garcia was the technician here today. He was very friendly and professional. He is very knowledgeable about Permaseal and their products and did a great job explaining things to… Read more “Basement Waterproofing”

Gary Grothendieck

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