ClaireSilver

Thanks for your info. that really helps.

I'm thinking about making a slab sink/basin for the cloakroom/small wc, rectangle shape so would need sides joining etc. Size to be something like 35cm x 23cm x 14cm. Would this size be suitable for slab building? I think commercial sinks/basins would normally be slip cast. what thickness would the slabs need to be? I've only built on a smaller scale. thanks