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Transferable Warranty
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Get the Support of I-Beams

I-beam’s are support units used when sections of a wall have become severely displaced

When installed according to code, the I-beams are placed 4 feet on center and can hold 24,000lbs per ½ inch displaced – supporting the exterior pressure with ease.
Because a permit is not necessary for these installations, contractors often ignore The International Building Code requirements and the supports inevitably fail.

At Great Lakes Waterproofing, we don’t adhere to minimum requirements.

We Follow Engineer Best Practices

  • We actually use “I-Beams.” Several companies reference “I-beam” installations” because that is the recommended material; however, do not actually use them.  How can you tell?  Because “I-beams” have the shape of an “I”
  • We adhere to building code requirements by fastening these beams to the two strongest supports in the home – the footing and the sill plate. More often than not, others will anchor these beams directly to the floor, but the concrete floor offers no structural support to the home.
  • We further distribute the pressure by attaching a secured steel plate to 3 additional floor joists. This is not required by code, but is an engineer best practice.
  • We DO NOT bolt the beam directly to the sill or joists, but secure it using a slip plate. As a foundation shifts and settles, the framework can develop tension if it’s bolted directly.  This method allows foundation movement while still maintaining wall stability.

Photo Gallery

I-Beam Installation

Satisfied customers since 1978

We purchased our house from someone who had hired them initially. So we are a license transfer of warranty. We had them come out to our house twice to service some water issues and they very prompt, courteous and did an excellent job. It’s been around three years now and all is dry.
Mark K.
“It was very good. They were prompt, came exactly when they were supposed to, did what they were supposed to do, and the crew was pleasant. It was the type of experience that you’d want if someone was doing work in your home. The job took a couple of days and it has worked just fine.”
Dawn S.
Very good customer service and communication about the project at hand. I would highly recommend Great Lakes Waterproofing.
Barbara B.
Very quick turn-around on work. Helpful people. Finally, I’m excited to be a home-owner!
Jon B.
I researched this company and discovered it invented the outside-injection process in the 1970s for sealing basements without having to dig up the ground/foundation. They understand the concept that, if the water is coming from the outside, you need to treat it from the outside to keep the water off the wall! Other companies only have the inside systems that don't address the source (external) of the water. Great Lakes has a variety of options, and the volclay-bentonite they provided for my house permanently stopped the water and mold!
James G.

A job well-done is priority #1.

Great Lakes Waterproofing is one of the largest and most dependable basement waterproofing companies serving the Chicago and Michigan area.

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