• From barbara at 11/16/12 3:23 PM
  • i have a fireplace insert and the back wall is fully lined in a thin (3/4 inch) mortar like surface and a chunk the size of a large orange , although irregularly shaped, fell off, can i use this stuff to repair it and what would that entail.
  • Thank you for your question. Yes, this is the product we would recommend to repair the back wall of your fireplace.
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