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Foundation, Basement, and Crawl Space Waterproofing & Repair Solutions in Sandwich, IL

Since 1979, Our team at Perma-Seal has been the go-to solution for residents in Sandwich, IL. Our team knows that a stable home is crucial for a healthy home, our team has years of experience and stands ready to tackle any challenge, from basement water leaks to foundation wall cracks, ensuring your home is protected.

Why Perma-Seal?

Home and business owners in Sandwich have put their trust in our expertise for over 45 years. As a seasoned player in the area, we understand the complex challenges that homes in Sandwich face. We use this localized knowledge to craft permanent solutions for your home, ensuring that any problems are addressed with the correct method.

Foundation and Basement Services in Sandwich

If you’ve seen basement seepage, bowed or leaning foundation walls, or sagging floors, these could be indicators of problems. Immediate consultation with a seasoned repair company like Perma-Seal is crucial. Prolonged issues can lead to other complications such as mold proliferation, structural vulnerabilities, and permanent foundation damage.

Basement Waterproofing

Your Basement, whether used to store valuables or as a living room, should be free from basement leaks or humididty issues. Water intrusion can occur in many ways:

  • Foundation wall cracks which occur in block and concrete foundations.

  • Cove joint seepage.

  • Old basement widnows.

Our seasoned experts in Sandwich employ proven solutions to handle these issues. From repairs for wall cracks to full basement drainage solutions, we ensure water stays out of your space. Furthermore, with our installations of sump pumps, your basement gets an extra layer of defense against sudden basement seepage.

Basement Sump Pump and Battery Backup Sump Pump
Exterior Brick Foundation Crack

Expert Foundation Repair Services in Sandwich

Your foundation doesn’t just support your home—it’s an integral part of its overall health. Symptoms of foundational issues involve:

• Zigzagging cracks on outside brickwork.

• Cracks on basement walls or the foundation itself.

• Jammed doors or windows.

• Basement walls that seem to be bowing inward.

Signs like these should never be ignored. Our team of foundation repair experts in Sandwich offers a array of services, from foundation piering to installing wall anchors for bowed foundation walls, guaranteeing your foundation stays strong and stable.

Expert Crawl Space Solutions in Sandwich

Many homes and businesses in Sandwich and the neighboring regions have crawl spaces rather than basements. In the past, these spaces were aerated to maintain dryness. However, vents can cause moisture to gather, promoting mold growth and affecting air quality. Perma-Seal’s crawl space encapsulation system ensures your crawl space is sealed and dry, improving your indoor air quality.

Indicators to watch for:

Crawl Space Leaky Crack Repair
Sunken Concrete Stairs

Concrete Repair Services in Sandwich

Uneven or sinking concrete surfaces not only mar the aesthetic of your property but also pose potential trip hazards. Such imperfections can occur due to several reasons:

  • Erosion of soil from overabundant rainwater or poor drainage.
  • Compaction failure, often observed in soil-filled areas post-construction.
  • Natural soil settlement over time.

In Sandwich, our Perma-Seal professionals use state-of-the-art concrete leveling techniques. We adjust uneven slabs, guaranteeing a flat and even surface. By opting for concrete leveling over replacement, you save time, money, and receive an prompt solution for those hazardous uneven paths, patios, or driveways.

Additional Services for Sandwich Property Owners

Egress Window Installation for Basements: Boost air circulation and natural light.
Basement and Crawl Space Insulation: Moisture-resistant and mold-preventing solutions for your basement walls.
Waterproofing for New Construction: Forward-thinking solutions for new homes.
Preventive Maintenance: Maintain the longevity and efficiency of existing waterproofing systems, even if they’re from competitors.
Systems to Prevent Sewer Backup: We provide a tailored sewer backup system meant to be set up directly into your house’s plumbing system.

Get in Touch with Perma-Seal in Sandwich

If your home in Sandwich needs any of the above services or if you have questions about our services, feel free to get in touch with us. Fill out our online form, browse our FAQs, or call our experts at 630-206-1177 to get a free estimate on basement waterproofing or foundation repair.

Egress Window

Jason Vargo very helpful, took his time , answered all my questions—great

John Richy


Aaron was very profession and very knowledgeable. He was easy to talk to and had a nice ease about him. I appreciated his help. He made. E feel comfortable as

Silvia Rivera


Alexander Akers