Help Needed: Hydrostone equivalent

[jackgabriel96]

I'm looking to make a mould to make a fibreglass cast off of (for a captain america shield) and the best option looked like hydrostone but i can't seem to buy it in the uk, so if anyone knows if there is a uk equivalent or if there's anywhere in the uk i can buy hydrostone i would really appreciate it?

 

[Pro Mod]

Doubt you'll find it in the UK as there are companies here selling similar products.
These are two I know of selling equivalents;
http://www.industrialplasters.com/cat/plasters/casting-plasters
http://www.maragon.co.uk/arts-and-crafts.html#Init
If you’re going to the trouble of making the shield in fibreglass have you considered make the mould the same way?

 

[jackgabriel96]

Thanks for the websites!
and no i hadn't considered making the mould in fibreglass as well, i might try that instead, thanks.