On 03/11/2018 11:22, Tim Watts wrote:
That can be solved by packing it out from the wall on washers or wood. I
might try for thick penny washers interleaves with heavy rubber washers
to give a bit of vibration isolation in addition to the bands that go
under the pipe clamps.


I save all my non-ferrous 2p pieces for this situation.

Drill a hole and voila, a non-rustable washer.