[quote=@RokkuHoshi]
[@Lugubrious] Dude! Bringing down the roof, much? Although, with Steve on top, he wouldn't take as much damage as James and Slayer.
[/quote]

And building a ceiling, given how long building takes in Minecraft, would be a completely ludicrous time for the two to stand around doing nothing, so it's definitely not a very large ceiling.  Nothing is a free action.