Is the insulating layer completely plastered with the fireclay mortar? The quantity supplied seems to me to be a little too small for this.
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Is the insulating layer completely plastered with the fireclay mortar? The quantity supplied seems to me to be a little too small for this.

After the ceramic fiber is applied to dome optics metal mesh / rabbit wire or similar and plastered with lime-cement plaster. The fireclay mortar (10 kg) is used only for filling the joints on the outside, the smoke connection or leveling the floor tiles and is therefore sufficient.