I have been unable to get adequate confirmation of the compressive strength of locally available Ceramic Fibre board. Therefore I am resigned to using a Cement / Vermiculite mix as the base. I have noted the advice on mixing cement / vermiculite.
I have found vermiculite available from a local building supplier which is described as ...
Exfoliated vermiculite is inert, non combustible, light, clean and has a high insulation value. Used in a variety of different applications due to its many properties it can be used for loft insulation, packaging, chimney lining and high temperature insulation.
I assume this is suitable.
I have found vermiculite available from a local building supplier which is described as ...
Exfoliated vermiculite is inert, non combustible, light, clean and has a high insulation value. Used in a variety of different applications due to its many properties it can be used for loft insulation, packaging, chimney lining and high temperature insulation.
I assume this is suitable.