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Thanks for all the feedback. Never ceases to amaze me how there is always so much to learn.
Paris
Thanks for the quick response.
I did get a builder to check it out, and his response was:
“A well bonded cement topping over the slab may be required at some stage.”The polishing was done very recently apparently.
My next question is if this will sort out the issue, is this an expensive exercise? Will it solve the problem?
Just trying to work out if it is worth securing the property at a good price – this issue may scare away other buyers – allowing me to get it at a good price, and factor in some repairs.
You have been helpful, thank you.
Paris
Originally posted by jhopper:Hey Paris,
My immediate reaction would be it spells trouble. If th reinforcing was exposed through polishing it could throw into question how much concrete cover they provided to begin with, and when they polished how much concrete did they take off. Also, how long ago did they do the polishing?
Failure of reinforced concrete can occur when moisture has access to the steel. This in turn rusts the steel and reduces it strength over time. Can also cause concrete to spall (pops out blocks of concrete causing craters.)
Like I said, immediate thought would be concern, however having said that, I would have to see it first. Sorry, based in Perth so bit of a long haul to check it out. A builder should be able to give you a quick assessment.
As for the current rust, not a big issue as the brown residue dosn’t sound structural. Can certainly lead to more strucutal issues though.
