One of those strategies is to create a concrete that “self-heals,” and in a new study, scientists used synthetic lichen to ...

It is critical the repair is flush with the surface of the floor so wheeled traffic travels ... Next, chisel out the damaged concrete between sawcuts using a light chipping hammer creating joint ...

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He joined the business in 1996. However, Donnelly says, “People started calling me at Floor Seal to evaluate concrete. Floor Seal didn’t want me to do that, but it kind of sounded like a ...