Step 5: Set the hearth in place

rebuilding a fireplace
Photo: Brian Wilder
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• Use suction cups to lift and set slab (as shown).
• Press down firmly on hearth to adhere stone to thinset.
• Check that hearth does not rock. If ti does, lift hearth and add more thinset.
• If the hearth is meant to be flush with floor but is too high, tap on stone with the rubber mallet; if the hearth is too low, lift it and add thinset.
• Fill joint beltween firebox and hearth with thinset. Scrape of excess and tool smooth.
Ask TOH users about Fireplaces

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    Tools List

    • Demolition hammer
      Demolition hammer
    • suction cups
      Suction cups
      for moving heavy slabs of stone
    • notched trowel
      1/2-inch notched trowel
    • brick trowel
      Brick trowel
      for smoothing topping mix in corners of hearth base
    • flat finishing trowel
      Flat finishing trowel
      for smoothing topping mix on hearth base
    • brick hammer
      Brick hammer
    • mallet
      Mallet
    • mason's brush
      Mason's brush
    • circular saw
      Circular saw
    • jigsaw
      Jigsaw

    Shopping List

    1. STONE SLABS
    Make cardboard templates of the pieces you'll need and take them to a fabricator that specializes in stone countertops.

    2. TILE
    Make cardboard templates as you would with stone, and then plot the layout of the tiles on these. This will give you an exact count, but order extra.