Re: My Cast Refractory Oven Build
I think you will find it will stay ok. You might make the base a little wider to give it slightly more support. It is a weird mixture and you'll think "this'll never harden up enough", but it does. Do two layers with some drying time in between. Tap the outer surface with the flat of your trowel. The other main trick is to leave a flat top on the wall you are buiding so that the next level has something to sit on. Also get the right amount of water in the mix. 10:1:3 vermiculite,cement,water.
I think you will find it will stay ok. You might make the base a little wider to give it slightly more support. It is a weird mixture and you'll think "this'll never harden up enough", but it does. Do two layers with some drying time in between. Tap the outer surface with the flat of your trowel. The other main trick is to leave a flat top on the wall you are buiding so that the next level has something to sit on. Also get the right amount of water in the mix. 10:1:3 vermiculite,cement,water.
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