Need help with the mortar mix

[Johnny the oven man]

Re: Need help with the mortar mix

Ball Clay is also fire-clay.

[Optimist]

Re: Need help with the mortar mix

Many thanks. I'll try asking for that then.

[willamas]

Re: Need help with the mortar mix

ready mixed refractory castable may be better for the dome

[Barryjnr]

Re: Need help with the mortar mix

Can plasterers sand be used for poor mans mortar?