Things You'll Need:
- Stake
- Mason line
- Spray paint
- Shovel
- Rebar (#4)
- Wire
- Trowels
- Concrete
- Flagstone
- Tuck pointer
- Circular saw
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Step 1
Prepare the work area. Place a stake at the center of the building site. Using a line, spray paint three rings that represent the inside wall, the outside wall and the flagstone wall.
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Step 2
Dig a 1-foot space for concrete footings; it should be 6 inches deep, between the two inner circles. Bend the rebar into 2 rings and twist the wire together. Fit the 6-inch holes with the rebar. Fill the space with concrete. Smooth it with a finishing trowel, and let it set.
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Step 3
Build the inner wall. Choose stones that fit snugly together. Place the stones on the ground in a pattern with plenty of contrast. Bond the stones with mortar. Try to keep the tops of the stones as level as possible. Press the grill panel snugly in place.
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Step 4
Create a wall outside the inner wall by repeating Step 3 (disregard the grill panel). Apply mortar to all of the stones, including the outside edges. Once the mortar has set, apply the flagstone veneer.
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Step 5
Remove any trim that is around the fireplace, and apply a weatherproof barrier.








