Jo Hammond

Thanks to you both for your comments. I was considering making a bread oven to test it out but my stone wall footings are already in and I haven't got any room left. where on earth do I get neat clay from......it's not something I can order from b and q! LOL. In America I notice that they can buy sacks of dry clay powder that you could add as an additive But I have not found anything in the uk like that.

My soil is made up of 2.3% gravel, 16.5% sand, 68.4% silt and 12.8% clay. I know I have the bare minimum requirement of clay but am worried about all the silt. I made a test brick and it baked in the sun well.....although did wash away in the end as there was no render on it. I am about the start cobbing this spring and want to know if my soil will hold up. If not, is there any additive I can use rather than shipping in new soil?