I've used
polyurethane over chalk paint and polycrylic (messy to work with too many drips etc), but not wax, from what I've read it isn't the best choice for a high traffic area or piece?
Not exact matches
When purchasing ASCP today I was discouraged from sealing my piece with General Finishes High Performace
Polyurethane Top Coat as they stated the top coat would cause the
chalk paint to lift from the wood
over time.