CPD Recording: Exploring Modroc
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Carole A Sheldrake
June 28, 2023 @ 1:17 pm
Can modroc be cut off an armature in order to make a plaster mould, ie a positive from which a piece mould can be made.
Paula
July 3, 2023 @ 10:26 am
Hi Carole – I’m not quite sure what you mean and it depends on the context, but generally no – modroc isnt easy to cut off and it isn’t the ideal medium to make moulds from…
Vanessa R
May 25, 2024 @ 11:19 pm
Hi there,
I have seen that some people suggest adding pva glue to the water to help lesson the chalky dryness if the mod roc. Is this really necessary?
Rachel
May 28, 2024 @ 8:57 am
Hi Vanessa, you can water down PVA to make it less thick and this would certainly lessen the chalky texture of the mod roc. Take care not to water down too much though as this will make the mod roc harder to bond together. Thanks!
Paula
May 28, 2024 @ 9:11 am
You really don’t need to add PVA to modroc water – you can make a pvs wash to go over the modroc once its dry… (like a thin varnish)