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Re: Refractory Mortor or Refractory Cement and other dome questions.
From the WFO board
Posted by Klaus
In Reply to: Refractory Mortor or Refractory Cement and other dome questions. posted by Edwin
I used a commercial refractory mortar ("Fireplace mortar", see the link for a datasheet). I didn't use any mortar between firebricks in the walls - only between firebricks in the arches, front and corners. Well, of course also in the wedges supporting the arches (combined with flowér pot pieces as shown on the Swishy building CD).
I bought 50 kg refractory mortar and judging from the remains, I must have used about 30-35 kg. As you can see on my homepage (you should know the address by now... :-), I haven't used more than necessary.
And you are absolutely right about the fireclay-sand mixture!
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