I encountered only one problem with Snap Pads on my 2011 Georgetown 327DS. The storage lot I use has a loose coarse stone bed where the rig is parked. I put the jacks down for a couple of days while I was doing some work on the rig that required it to be level. When I pulled the jacks up, I discovered that the bottom plates of the jacks were now dish shaped. I suspect the increased diameter of the pads combined with the slightly compressible stone bed combined to put more pressure on the rim of the pads, eventually bending them a bit. Fortunately, the plates are inexpensive and easily replaced.
Since then, I've put boards down between the pads and the stones and haven't had any issues.
Phil
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