During periods of heavy rainfall many homes in Chicago will experience a variety of seepage problems. When water gets into a finished basement it can cause thousands of dollars of damage including ruined carpet, drywall rot and loss of personal property. The resulting flood should be cleaned up as soon as possible and it's wise to be sure you have someone with high capacity dehumidifiers get all the moisture out of your basement promptly. Once the short term problem of cleanup is taken care you may begin the search of finding a qualified professional Chicago area waterproofing company who can come in and access the situation in order to prevent this event from reoccurring.
Be sure to take the time to research the reputation of the waterproofing companies you have provide you consultation. Knowing how long they have been in business, their business practices and getting plenty of references from customers in your neighborhood who have had them perform work are the best ways to really feel secure knowing you can trust their opinion. By having the names and contact information of customers that have worked with the contractor you can get a real first hand opinion of the quality of work, service after the sale and how well they backup any warranty. Whether you live in Chicago proper, the north, south or western suburbs ask for references in your local area.