concrete concrete block or "autoclaved aerated concrete ...
May 06, 2012· concrete concrete block or "autoclaved aerated concrete", Post by fatbob » May 5, 2012, 1:55 am Yes they are, the width of concrete beside the frog or hole is a lot thicker than what you can get in Udon and the concrete mix is also stronger, these are the same spec as CPac, the only way to get them in Udon would be through