Quote:
Originally Posted by HarryD
Rebar, if properly installed, will last a long time in concrete as it emtombed in the matrix with minimal access to air (oxygen). ......
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I meant steel on top of slab, not re-bar, as the original post said 'to prevent moisture from percolating up through it and rusting things'
Only time I've seen major rust failure of rebar, in a reasonable amount of time (20 years) has been 'salt environments' like bridges in NJ and condos in Florida by the water.