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    Re: acid stain on integral Xypex slab?

    2 posts, 0 answered
    1. aej avatar

      I am planning to use intergral Xypex for the slab and new foundation of a residential basement.  Preference goes to the appearance of a polished and acid stained finish, howerver I suspect the crystaline nature of Xypex will reject the stain.  Any tips or suggestions (other than surface paint) would be welcome.  
      Posted on 18 Jul 2015
    2. Jim Caruth avatar

      Jim Caruth

      Acid stains have been used on Xypex Admix treated concrete in the past with no complaints.  Based on feedback from some industry experts we would expect a Xypex treated concrete will “take a stain” to a slightly lower level than the same concrete that is not acid stained.  A similar effect might be seen between two different strength concretes in that the high strength concrete might “take the stain” to a lesser extent than a lower strength concrete.  The ultimate outcome is that the concrete that takes the stain less might show slightly lower color vibrancy.  It is expected that the difference in the vibrancy of the color would only be noticeable if you had two slabs side by side and in natural light.  In a normal application we would not expect there to be a significantly or noticeable color difference with an acid stained, Xypex treated slab.  Call and ask to speak to Jim at Xypex Technical Services if you want to discuss this further.

      Posted on 28 Jul 2015

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