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  • Posted in: Open Forum

    Now Is the Time for All Good Masons to Come to the Aid of a National Treasure. (and Engineers, Conservators and Architects, too!) Contribute your skills, knowledge and efforts to repairing a portion of historic Fort Washington, Maryland! ...

  • Posted in: Open Forum

    John, This kind of reminds me of moisture from both lightweight insulating concrete, and structural lightweight concrete.  The first question(s) is/are - do you care if the waterproofing is adhered to the concrete?  Can you vent at the perimeter edges ...

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    Need Miracle Product

    Posted in: Open Forum

    Situation: Elevated concrete breezeway, unvented w-deck, 60-days cured, sodium silicate curing application applied, currently weather protected, however has been open to northwest rain for the last few weeks, high moisture content, will receive pedestal ...

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    RE: Stripe Grouting

    Posted in: Open Forum

    OK, so I rarely post anything anywhere (don't Facebook, don't want to Tweet, etc.) but this is a subject that is kind of near and dear. I spent a number of seasons with a draw brush and a header brush in my hand, or a roll of tape strapped to my wrist ...

  • Posted in: Open Forum

    As we prepare to gather for what promises to be another great Winter Technical Conference, just a reminder that the Contractor Selection Tool, (CST) still needs participation. This program was founded on a solid foundation and vision:   Provide ...

  • Posted in: Open Forum

    A great topic and I run into a similar discussion with silicate paint technology that uses very much the same chemical process. A densifier  works by reacting silicone dioxide* with the free lime in concrete to create calcium silicate hydrate, filling ...

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