It all depends on how its got to look, if its been as it is for an age, then
even UPVC U shapes on the top is going to protect it and probably look ahem,
unique, if nothing else! grin.
Brian

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"Andrew" wrote in message
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On 12/11/2019 13:37, The Natural Philosopher wrote:
On 12/11/2019 13:04, John wrote:
Son-in-law has heeded my suggestion to have their garden wall capped as
some of the bricks are spalling due to rain and frost. The wall is the
width of a brick length. There is no tile type of thing under the top
course.

Any suggestions on what to be asking for as a coping brick? I fear he
will
get a "mate" to do whatever his mate says.

a quality engineering brick will resist the rain itself and also protect
what is below, but they are not so cheap.

Ask the builders merchant




Nor are they frost-proof.