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rust stains on concrete slab

Posted by bob on February 6th, 2003 03:57 PM
In reply to removing rust stains from new concrete driveway by Dan Bowen on July 1st, 2000 07:18 PM [Go to top of thread]

3 of 3 people found this post helpful

Concrete slab less than a year old started showing rust-colored stains suspected of bleeding up to the surface from rebar placed at insufficient depth. (Contractor dropped the rebar into the concrete during the pour. We are no longer on good terms with the contractor.

Does anyone know how to remove these stains and prevent their recurrance, perhaps with some kind of a sealer??)

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