The Medway Handyman wrote:
wrote:
Might be difficult to avoid voids in the mould. Maybe one of the
levelling componds would work?

Saw something similar on 'The Salvager'. He used a cheapo oscilliting
sander on the mould to vibrate the concrete in. Worth a try.

i expect sds+chisel would make an effective vibrating poker - but you
might need a robust mould!

NT