"Ray" wrote in message

I have also been told that silicone paint might be a less expensive
alternative to repointing.

It may get you through a season or two of water seeping through, but it does
nothing for the structural damage that may exist. Repointing is a fairly
common form of maintenance on a brick building.

Not sure? Take a good look at the mortar joints. If you see some missing
pieces here and there, it is time to do something.