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The
concept is very old since it seems to be used
by the Egyptians,
testifies the polemic on construction of the pyramids. It is used
massively in cast stone industry and by certain
stone craftsmen. In the hands of a private individual handyman, it
enable him to cast any architectural stone, out of
limestone, from the technique of the moulding in moulds
or formworks. The moulds, very simple, are built out of wood
and damp-proof
agglomerate. They are reusable many times. Plans and examples of
realization are proposed to you on the site.
You
plan to restore your house or to build a new house. You are a middle
handyman, i.e. that you can cut agglomerated wood, make a
hole, screw with a screw driver, make a formwork, mix concrete
in a
small concrete-mixer and cast it in your formwork. Then do not renounce
to give your house a little of the beauty and the nobility of
the stone because it is too expensive. Do it yourself. That will not
be more expensive than the gray concrete and you will be
extremely
proud of the result…
The
concept is based on the original
and new use of a very abundant
aggregate, dedicated until there to an other utilization, and
on the
use of very
traditional hydraulic binders in masonry. The recipe, the composition
and the proportioning of the basic mortar, are given in the guide. The
stone obtained contains only materials comming from mineral natural
origin,
contrary to much of the market cast stones that contain
resins.
This
material, also called “limestone concrete” (fr -
béton calcaire) is used since the
beginning of the years 2000 in the realization of architectural
monuments with particularly beautiful esthetics.
To
make your stones, you must be able to find in a
store, a
deposit of materials or a limestone quarry in your
neighbourhood, fine crushed limestone aggregate, called
“fine
limestone 0-6 or 0-4” (fr - calcaire fin 0-6 ou 0-4).>> See the site du CRIT (Centre of Ressources and technical informations).
By
using a natural binder, a limestone aggregate comming
from a local quarry and
possibly using natural oxides powders, you are able to obtain cast
stones offering color, texture and natural properties very close to the
natural cut stones of
your old house. It is then easy to repair old stones
damaged by the time, or to supplement existing stones.
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 Old limestone aspect pillar pedestal  Limestone mortar restoration of a cut stone door surrounding, with on the wall formwork.  Cast stone flower stand "Jardiniere"  Realisation of a French traditionnal gate pillar with limestone concrete |
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The
concept involve inescapable stages, well defined
in the time, that make possible to
obtain without effort a consistency and a surface quality of your
stone elements almost identical to those of natural limestone stones.
Thanks to the use of some traditional gestures
of the stone mason, the stone obtained is more realistic than the
majority of the cast stones available on the market of
buiding materials. These determining stages are very quite detailed in
the
guide.
The cast stone obtained patinates naturally. It can be cut, brushed, be passed to French drag, be sandpapered, polished, glossed tinted and aged, exactly like natural stone. It's easy to obtain an old stone aspect. |
 French drag stone aspect, cut stone style. |
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Cost price
of the cast limestone : Less than 130€/m3
Cost
example of a terrace hollow pillar with mouldings, with a size of 30cm
x 30cm and 2.7m
height, including
:
approximately 65€/ton (1000kg) - 4 body elements 30cm x 30cm, 50 cm height - 1 capital 40cm x 40cm, 20 cm height ------------->
Master plan available on the site in the moulders space...
Cost of the
3 moulds (wood and agglomerated wood materials)
:
43€Cost of the limestone concrete by pillar (binder + limestone, 170 Litres) : 19€ Cost of the related materials used by pillar (5 inserts) : 7€ Total cost of only 1 pillar : 69€ Total cost by pillar for 4 pillars realized : 37€ / pillar
Average cost of an
equivalent pillar on the market : from
300€ to 800€ |
   5 elements pillar with
mouldings, made of limestone concrete, obtained by casting.
Moulds plans on the Moulders Space. |
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Rather
than to do it out of cement, why not to make
your lintel, your door sill, or even your arch or your porch, out of
limestone? Do
yourself your cladding stones, and even, simplify you the life by
casting your surrounding stones directly on your walls using
formworks…
Plans of moulds are
proposed on the site. You can modify them and adapt
them according to your need. With ideas and a few imagination, we
can make many things. You will quickly notice that the limestone
mortar is an extraordinary material, and so easy to
use…
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 Door sill made of cast limestone stone, using formwork. |
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