B banjo_mccain New member Jul 3, 2009 #1 ...rocks together without cement? (Something that isn't as permanent as concrete.)
P pondlady New member Jul 3, 2009 #2 I would use expanding foam. Great Stuff is one brand that I can think of offhand. You can just cut off what you don't want to see with a pocket knife. After a bit it weathers anyway. You can also get it in colors.
I would use expanding foam. Great Stuff is one brand that I can think of offhand. You can just cut off what you don't want to see with a pocket knife. After a bit it weathers anyway. You can also get it in colors.