Are there any arrangements of water around wood that can prevent it from catching fire? I'm mostly interested in structures with these three cross-sections:

~██~   ▒██▒   ▒██▒   █ Wood
~~~~   ~~~~   ▒~~▒   ~ Water
                     ▒ Air

These arrangements will be in a waterslide that may or may not catch fire at some point.

  • 1
    There is a related question about properties of fire but it doesn't address the effects of fire around water.
    – Sadly Not
    Commented Mar 16, 2011 at 13:33
  • I don't think water changes anything, but sadly it'll take some time for me to make sure
    – badp
    Commented Mar 16, 2011 at 14:20
  • Bad jokes about my name will be the death of me
    – Sadly Not
    Commented Mar 16, 2011 at 14:54
  • Sadly, you wont be able to restrain us from telling bad jokes. About your question, i think the first possibility will not witness fire spread. Can't tell for sure, though, so i'll make a few try this evening...
    – Lysarion
    Commented Mar 16, 2011 at 15:05
  • @Lysarion I need a definite answer or my poor waterslide might suffer :P also, if anyone submits an answer please discuss water above wood if it makes a difference.
    – Sadly Not
    Commented Mar 16, 2011 at 15:26

1 Answer 1


It appears water doesn't stop logs from catching fire, as they caught fire in all of these configurations (I lit the Netherrack blocks on fire for all the tests).

Water underneath:

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Water on the sides:

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Mixture of configuration 1 and 2:

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Water flowing right to the logs:

enter image description here

  • +1, water seems to function like a normal non-flammable block for the purposes of fires. I've been trying to to prove it, but I couldn't think of that second configuration that you have Commented Mar 16, 2011 at 16:53

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