I neighbour has just had his smooth red sandstone
outer wall restored. It was expertly done but not cheap.
Chap who did it used a base ordinary of hard cement,
then PVA glue was applied. A sand mixture to match
existing stone colour was then thrown onto the glue
The chap who did it did an expert job and finished
off with a white grout paint. The net result is stunning.
What paint may he have used.??
I would like to dabble in this myself
for a small area of my wall.