It’s good for wood/MDF.
That’s another one actually “balsa wood”
Nah - plasterers and tilers are all over PVA. Always sticking it on walls before doing a “skim” or something
Also used to coat bare brick walls
This makes sense to me on accounts of once building an extension with me Pa and the only thing we got someone else in to do was the plastering.
Grouting - but yes basically fiddly cleaning
Maybe we shud ask Balonz