In Java Edition, the ceilings are composed of soul sand/soul soil or basalt whereas Bedrock Edition uses netherrack for both.
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Thank you for your report!
We're actually already tracking this issue at MCPE-69159 and MCPE-79608, so I will resolve and link this ticket as a duplicate.
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The devs said that it wasn’t possible at the moment to have ceilings parity to java.