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"Real Seal are very professional. Came out when they said, sent estimate and set up to have work done in a timely matter. The technician sealed two cracks in our foundation crawl space. Did a excellent job and was very friendly and knowledgable. I will be using them again for another crack."

"no comment"

"Good work in general; our basement no longer sees water for over 3 years now, which is the most important thing. But there were some real issues: The biggest issue is that USW did not adhere to local electrical codes, and did not arrange for a final inspection of the project. So we didn't find out that it wasn't to code until years later, and now it's a big hassle and minor cost to fix and get the permits. Ask your local gov yourself what you need to do for permits and inspections; don't rely on USW! USW said they would seal any foundation cracks found along the way; they didn't do this until I bugged the warranty dept about it (but they did do it eventually). USW sent someone out for the "annual checkup"... over 2 years after the install. It's a good thing they (eventually) did, because they discovered the backup battery wasn't charging. Now I know to check this stuff better myself. Prices also vary wildly and are kind of negotiable (I'd give more detail but I'm out of space)"

"They did an excellent job in a very timely matter, and very competitive rates!!!"

"crew was great"

"Steve Gavin, the owner came out and provided me with a great price that was inclusive of the entire scope of the project. During our meeting he took the time to explain the process that his company uses. Once the permits were issued the crew arrived the next morning at 7:00 a.m. as promised. The crew met the deadline for a 1:30 inspection from the Village of Deerfield. They not only met the deadline but they passed the inspection without any issues to be corrected. The crew worked until 7:00 p.m. completing the job. I would also note that they left my home spotless!"

Yellow Square Corporation is a family corporation established in 1999. The company is founded on the principles of hard work, dedication and commitment. After 13 years, Yellow Square Corporation continues to maintain a standard of excellence in safety, job quality, employee relations, and community involvement. Yellow Square Corporation provides full-service general contracting services for clients in the commercial and public building sector. We know the industry, and we know how to skillfully complete your project to your specifications, timeline and budget.

"If you are deciding between contractors, stop thinking about it and hire Martins, I promise you will be happy with your decision. It is hard for me to put into words what an unbelievable job Martins did with our built ins and how much I enjoyed working with him. My wife and I were nervous because we had never done any sort work on our home and finding Martins was a godsend. In all honesty we are very picky and sometimes hard to work with (just ask our wedding vendors haha) but I cannot think of one thing we would have change in our experience working with Martins and how the built ins turned out. He is very good at what he does and just a very honest guy that you can trust with your project. He cared about how everything would look and function almost more than we did if you can believe that. His attention to detail was impeccable and is exactly what you want when you are making a big change to your living space. Every one of our friends that come over are in awe of our new built ins. Martins is a true artist!"