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  1. #1
    Join Date
    Feb 2010
    Posts
    2

    Default Hearth rebuild - installing stone on brick hearth

    Hi,
    We are going to replace our home-made wood stove with a new one, and have decided it is a good time to rebuild the hearth too. Right now the hearth is 4'x4', brick and mortar from the crawl space up into the living room. On top of the final mortar layer is tile (several of which have broken, which is one of the reasons we want to rebuild it).
    My question is, how should we go about replacing the tile with stone? Can we just remove the tile and then put new mortar on top of the old mortar to secure the stone with? The mortar appears to be concrete (about 2" thick).
    Also, does anyone have suggestions on the best stone to use and what thickness? (e.g., bluestone caps, treads, slabs, etc.)

    thanks much for any help/ideas!

  2. #2
    Join Date
    Nov 2011
    Posts
    3

    Default Re: Hearth rebuild - installing stone on brick hearth

    I "assume" you want the same height, or close to it. If so, you would need to remove the tile, AND enough of what's under the tile to accomodate the thickness of the stone you are going to put back on there.

    I'd think the thinner the better. (less work that way).
    Maybe a different type of tile? Natural stone tiles?
    If using stone, make sure it's relatively uniform smooth on top.
    Natural Rough Rock hearths are a pain to sweep ashes off of.

  3. #3
    Join Date
    Jan 2010
    Location
    Northern Virginia
    Posts
    1,185

    Default Re: Hearth rebuild - installing stone on brick hearth

    If you don't address the cause of the cracking tile, your new paving will crack as well. Problem is that the substrate concrete or ? is not monolithic. Reinforced concrete 3" thick properly supported is called for.
    Casey
    Remove not the ancient landmark, which your fathers have set.

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