This is what I've done in the past. Put the nonpen down on some rubber mats directly on the membrane, put our cinder blocks on the non pen and then filled in around everything with the rocks again. Looked nice and worked great.
On Thu, Jan 29, 2015 at 1:49 PM, Chuck McCown <ch...@wbmfg.com> wrote: > Assuming river rock on a membrane. Personally, I would clear the rock, > make sure it is sitting on the membrane with nothing sharp or pokey that > can damage the membrane, add the weights then put the river rock back to > provide sun protection. > > -----Original Message----- From: Nate Burke > Sent: Thursday, January 29, 2015 1:39 PM > To: Animal Farm > Subject: [AFMUG] Nonpen on River Rock Roof > > > Thoughts on pros/cons. When putting a Non-Pen on a roof with river > rock, (if that's what it's called, 1/2"-1" diameter stones, no tar) do > you clear the rock and put the non-pen mats directly on the roof, or put > the mats and non-pen on top of the rock? >
