The questions pour in to ConcreteNetwork.Com about problems with concrete work that has been done recently or existing concrete.

Almost without exception, problems must be examined in person to properly assess what the cause of the problem is, and outline a cure.

Here is a great tool that is available to you: The American Society of Home Inspectors.

Many of the inspectors have their own web site and some list rate information.

Have a professional make a site visit to answer your question and help find a solution.