log burner

Have a brick fireplace that needs plastering; I’ve been told to do lime plastering for it. Which lime is needed; hydrated or hydraulic? How long will it take to cure/set til can paint over it? And will it need to be a specific type of paint? Fireplace is going to have a 4kw log burner/multi...

Quick one about what's best way to repair behind a wood burner.. it's in a new ish house and the flue goes through the wall and out externally.. I'm hoping dot n dab fire board and skim? The guys got fire board spare.. can i dab that n skim it? Never used it Tar!!