* The corner closest to where you are standing will be the one that is raised, just like when dropping dirt.
* Unsuccessful attempts result in the loss of .05kg [[lye]] and .30 kg [[mortar]]
* Can not be used in When raising a cave tile below water the max depth of said tile is 25 dirts below water level, anything below that you get the message: {event|inline|The water is too deep waterand would only dissolve the concrete.}
* Can be used to raise a corner until it is 26 slope, after that it is too steep to add.
* Reported to work to 40 slope (1-7-2016) similar to dirt.