When using slate for paths, driveways
or borders it is best to first lay a
membrane, which allows water to
pass through but prevents weeds from growing. This can be purchased
online.
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Slate does not need to be very deep; a
depth of 75 mm
(3 inches) is usually sufficient
for driveways and paths. Additional slate can be added at a later
date if required.
-
It is recommended to use 40 mm
slate for drives, as
it is far less likely to deteriorate
under the weight of vehicles.