spalling concrete

Discussion in 'Remodel Forum & Blog' started by tregg, Jul 17, 2010.

  1. tregg

    tregg New Member

    Messages:
    31
    Location:
    Iowa
    What are the remedys for spalling concrete? It's in my basement but not on a load bearing wall. It is next to the stairs going up and is on the edge of the attached garage so there is earth on the other side of it.
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,025
    Location:
    New England
    There are various concrete products designed to top your slab. Will this ever be finished with something on it? Maybe tile, carpet, etc.? Then, it may not matter.
  3. tregg

    tregg New Member

    Messages:
    31
    Location:
    Iowa
    Thanks Jim!
  4. jimbo

    jimbo Plumber

    Messages:
    8,997
    Location:
    San Diego
    jad....I think he is talking about a wall surface, not a floor slab. He mentions earth on the other side, and a contiuously wet wall which was not waterproofed on the outside can fall victum to spalling.
  5. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,025
    Location:
    New England
    Hydrostatic pressure may make any topping fail. You may want to call the manufactuer of the product. Two companies that make stuff for this are Ardex and Custom Building Products. There are others. Check their websites, read the spec sheets, and then call and talk to a tech to find the best product. Some of them require a primer first (a bonding agent), and that usually requires the area to be dry. Depending on the weather and ground conditions, you may only have a narrow window of opportunity to do this.
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