Posted by Jerry in Idaho [64.139.238.43] on Thursday, November 25, 2010 at 12:40:46 :
In Reply to: thanks Matt re roof garden posted by clueless [201.202.25.26] on Thursday, November 25, 2010 at 10:00:11 :
You can put a layer of old newspapers over the gravel. Don't use sand. It will just filter into the gravel.
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