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Um yeah, These patios really dont move much.
Sure, after a couple years there is some minor settling to be expected, but like I said, minor.
Sure, drystack WILL always shift, but thats the beauty of this style patio. Even after years of harsh weather, freezing and thawing, the patio still looks good.
The stones are very heavy. Eache of those pieces on top are aprox. 2" thick by around 3-4' around. You would definitely have a hard time kicking one of those edge stones loose, especially after a season or two of settling. The way the flagstone is cut also helps interlock it like pavers. To make a long story short you couldn't kick a stone off the edge.
VC, occasionally we've ghost mortared the outer edges, but mainly for stability. We're definitely not the only ones building this style patio in the area. I think we're pretty good, but some guys have this down to a complete science!
Nick
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Student of Landscaping
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