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I’m a long time lurker and first time poster. Thank you all for this great resource
I’ve built 4 ovens over the years. 3 old school clay versions with sawdust insulation and 1 using refractory castable and perlite render. I use them mainly for roasting and live fire cooking along with the occasional pizza. I prefer the clay to build and to use but keeping them dry is a challenge. None of my ovens have a chimney.
I’m about to embark on number 5 in a fairly exposed coastal environment so was going to try a home brew version. Any comments or suggestions would be appreciated.
The plan
50- 60mm home brew cast in place on polystyrene mould 3,1,1,1 including stainless steel fibre & AR fibre for strength and polythene fibre for steam spalling.(percentages??)
Fire brick floor on perlite and empty bottle insulated base
50mm insulating blanket
Chicken wire
100mm aluminium flashing on the base with a bead of heatproof silicon to prevent water ingress at base level
50-60mm perlite render
Suggestion for waterproofing would be appreciated