More work on the purlins today. We began notching what will be the bottoms of the purlins where they will sit on the posts.This morning Paul & I built the slab for the oven. It is full of small stainless steel needles that are mixed into the refractory cement to provide strength to the suspended portions of the slab. The randomness of the needles provides fewer places that the slab would be likely to crack along than using rebar or mesh. Next comes a layer of fire bricks which will become our baking surface.
1 comment:
I have been following your progress on the bakery.
How are you heating the dome? I see the "vent" to the chimney at the end
of going under the hearth, but there is nothing obvious as to where the
smoke actually goes. Is the tube that I see cast into the slab to vent
smoke thru the oven interior, or is it a "white" oven? Did you wrap the
tube with expansion material before casting the slab around it?
Is the poured slab also the roof of the firebox?
Did you split the cast slab with an expansion joint or two? I can't see
that either. Is it hidden just below the surface?
Where did/will you place the probes?
Will the hearth bricks (full size, single course?) be laid flat or on
edge? What will the final thickness of the hearth be?
Simple explanations will do fine, I am fairly familiar with wood fired oven systems.
best..Pat
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