On Jul 2, 5:01 am, "Mike" wrote:
...

2 years agoI used water putty . I mixed it with a little bit of primer and
painted it the next day its still there.
Concrete patching mix has been used for a looooong time

I'm surprised because cement retains moisture and commonly
promotes rot in wood in contact with it. It would sure blunt
their beaks though.

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FF