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Choose from the following concrete categories:
• Making Variable Length Edging
Stones
• Creating Flat Edging Stones
Edging Stone molds produce stones of
approximately 14-15" in length. But what if a 9"
stone is needed to finish the project? Here are two simple
solutions.
- Unmold a newly hardened stone. Pencil off the desired
length, then create a 1/16 inch "perforation"
line across the stone using a hacksaw (fresh concrete is
still fairly soft so this won't be difficult). Place the
stone on a work table and position the "perforation"
over the table's edge. Hold the stone firmly on the table,
then gently break off the scored end, much as you would
a square of chocolate.
- Shorter stones can also be made using oiled cardboard.
Cut a piece of cardboard the approximate width and depth
of the border mold, 8" x 2". Oil the cardboard
on both sides. Pour concrete into the mold, then insert
the cardboard into the mold at the desired length. Don't
worry about getting a perfect fit; if the hardened segments
are slightly joined, they'll separate easily with a little
pressure.
 The
border stones have been designed to set vertically in the
ground. But some gardeners may want to lay stones flat for
easy lawn mower access. If so, you'll probably want the patterned
half only. Oiled cardboard works perfectly for this.
Cut a 15" x 2" strip of cardboard, brush both sides
with oil, then place lengthwise down the center of the filled
mold. After demolding, save the plain half. For subsequent
pours, oil this "plug" then insert in mold; 50%
less concrete will be needed to fill the mold. return
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