[Syty] Anyone remove concrete rust?

[tydriver]

And of course, everyone here in SyTy Land hinges on every word you say as being gospel...

:yawn:


Todd
  ----- Original Message ----- 
  From: DOlivares 
  To: Jeffrey Smirz ; Marion Cole 
  Cc: SyTy List 
  Sent: Sunday, September 10, 2006 4:24 PM
  Subject: Re: [Syty] Anyone remove concrete rust?


  THAT'S why I suggested using NITRIC acid!

  D.O. 
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  ----- Original Message ----- 
  From: Jeffrey Smirz 
  To: Marion Cole 
  Cc: SyTy List 
  Sent: Sunday, September 10, 2006 9:30 AM
  Subject: Re: [Syty] Anyone remove concrete rust?


  Be careful using acids on concrete, especially hydrochloric (also sold as muriatic)!  They will dissolve the cement in the concrete and leave a rough surface.

  Jeff






  On Aug 30, 2006, at 2:14 PM, Marion Cole wrote:


    I’ve used two different liquids to remove rust from concrete: 1) a solution called triple etch by Martin Senior pants or called Metal Prep by Sherwin Williams. It is an acid (sulfuric or hydrochloric based don’t remember which). You can also get the same type stuff at Home Depot. Look for a solution used to clean Brick fireplaces, brick fascia, etc. Look on label for contents to see if it is an acid based solution. 



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    From: syty-bounces at syty.org [mailto:syty-bounces at syty.org] On Behalf Of Larry Brown
    Sent: Wednesday, August 30, 2006 1:07 PM
    To: SyTy List
    Subject: [Syty] Anyone remove concrete rust?


    Anyone:

    ...I`m told there is nothing that removes concrete rust.

    Unfortunately my driveway has poka-dots and household cleaners do nothing

    or worse make white bleach stains (and leave the original rust).

    Even tried a drill pad to work in different solutions, with no help.


    thought I`d ask

    Larry


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