Yes I did that many years ago with a toilet roll holder, its still on the
wall!
Brian

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"newshound" wrote in message
o.uk...
On 09/10/2020 14:25, Dave Plowman (News) wrote:
A fixing into a plastered brick wall through tiles.

Most of the fixings went well - wall plugs pushed through the tiles into
the brick. But one obviously hit the soft old mortar, and won't tighten.

Anything that could be squirted through the hole to give a decent fixing?
Or any other ideas? I'm already at the limit of the longest screws I can
find in that diameter.

It depends a bit on whether you have a blind hole or whether you have gone
into a void of any significant size. Polyester resin is one of the classic
"fixes" for this sort of problem, but perhaps a bit expensive for just the
one, and a small hole. Also, how strong does the fixing have to be?

If probing suggests you have a reasonably small blind hole, it's just that
the plastic plug is spinning, then one strategy would be to inject a
surplus of epoxy glue, then push in the plug and wait for it all to set.
Make sure the plug is all the way through the tile. If the void is larger
but still fillable could you inject in mixed up car body filler to fill it
completely? Forget the wall plug, just drill a pilot hole and let the
screw grip on the filler.