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New Patio on Old Concrete
In article , "PK" writes: | | Yes and no! Sand alone will not make a secure long term base - it will wash | out and ants will move it. Er, no. See Cormaic's pages. When done right, it will last for decades and often centuries. For millennia, you need a better construction. | Better to either use a proper dry mix of sharp sand and cement - Which is quite likely to crack in its turn, thus leaving you with an even thicker mass of concrete to deal with. Also, if you have any services underneath, or don't know that you don't, laying on sand allows access with low hassle. Regards, Nick Maclaren. |
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