Like rendering over stonework

[Jmcl101]

What's the best method/mix ratios for this ?

I'm assuming

Scat coat
Scratch
Topcoat

Should all 3 be 3:1 nhl 3.5 ?

3 days between coats ? How long will the top cost need to be left before it can be floated and sponged up ?

 

[seanlar]

Well Haired fat lime scratch coat dub out any holes first