Pavel314 wrote in news:b7ad4dbf-2018-4b1e-851a-
:

This is a huge old beech tree with limbs spreading out quite a ways.
The patio wouldn't be right against the tree, it will be about four
feet away at the nearest point on the south east side of the tree.

Treasure the tree. There aren't enough of those. You know you can eat the
little nuts, right? Not too many, because of the cyanide in them, but a
couple of handfuls is fine.

Trees have their most active roots at the outside drip edge off the
outermost leaves. Make sure the soil there remains permeable and NOT
compacted. I'd chose the most permeable materials you can find for your
patio, and build it up from the current level of the soil, as much as
possible not disturbing the roots.

--
Best regards
Han
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