Board Thread:Bug Reports/@comment-27200931-20170508213228/@comment-30645975-20170508231937

Dragonovith wrote: Campinator wrote: With Gravel, the banner ceases to protect an area after it is lifted off of the block. This is a rather serious bug, as players can just build directly over the top of the area, then drop two gravel and deactivate it.

Are you sure? When I tested it, the green box around the banner disappeared, but the protection was still there. Upon further testing, this is correct. After 5-6 blocks (for me) gravel could no longer push up the banner, though that could be due to lag on my part.