There is a very hard wearing WEATHERPROOF plaster of Paris I have discovered, that can be used outdoors (or indoors).
In the UK it's called Cassini's Outdoor plaster sold by Maragon Crafts ( http://www.maragon.co.uk/arts-and-crafts.html#Init)
It may also be available elsewhere under another name. It is generally used for making those outdoor garden ornaments and statues. Just mix and pour into moulds as normal plaster. It sets rock hard and can be coloured during mixing or when the article moulded has really dried out.
It certainly is NOT as brittle as ordinary P of P
Last edited on Sun Sep 4th, 2016 01:42 pm by William M
Sounds great! Give it a go and let us know...Ohhh, I made a rhyme!
When I had an outdoor layout, I tried different things, including redi-mixed concrete and all but the concrete went "south" in a while. Here in the colonies, there is a plaster called ULTRA-CAL which claims to be OK for outdoors. Maybe that's a connection.
I await getting plastered
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