Concrete moulds
Concrete moulds, are they easy?
You may have seen in various garden centres "ornaments"
and similar made from concrete, and wondered how they are made and could
you do that?
Quite often the things you will see are made from
concrete. The concrete is mixed, then poured into a mould, left to set and
then finished, usually by painting
Sounds simple and easy doesn't it?
Well yes and no is the answer to that one. First you
have to get your mould, the best ones are made from latex rubber as these
can be used over and over again. There are various website supplying
moulds, but they cost a great deal of money, This is because once you have
the mould you can make as many of the object as you like and sell them at
what ever price you like (so long as people are willing to pay that price)
but here in lies a problem, lets say one mould costs £1000 (They really
are around that price) That means you can make as many as you like of one
thing, just the one thing, so in order to have variety you have have to
have more moulds which is more initial outlay
Next you have to get the concrete mix right, too runny
and the concrete will not set / be too weak, too thick and you cant pour
it, once you have got it just right you must note the exact mix. A tip is
to shake the mould as the concrete is poured in, or fix the mould to
a frame and mount an electric motor with a slight off set weight on the
shaft to make the motor vibrate, because any air in the cast will give an
imperfect finish or make it weak.
Once poured you must leave it for at least 24 hours in
the mould then another 36 hours to allow for final drying, you can then
paint it in your choice of colours.
All though it is a lot of initial outlay it can be a
very good business, it will take some time to get your money back for the
cost of the moulds, but do consider the above before you venture into it,
remember it is a business not a flight of fantasy. Good luck
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