PVA is not commonly used on drywall.
Denpending of the concentrations, you can use only mechanical agitation and elevate temperature for 5 to 15 minutes.
Because PVA is the appropriate glue for wood.
PVA glue is a liquid till it sets in use, then it's a solid.
I have used PVA Glue instead of padding glue for three years now for my ncr jobs sheets and telephone answer pads. I have had no problems with them so far, so yes, you can use PVA Gldding glue.
The lotion was clearly labelled "for external use only."the waited on the external of the building
pva
pva glue is not waterproof, however, some recommend mixing with nail hardener to make a homemade nail glue
No, it won't work. Use a good waterproofer like Thompson's , it's cheap and worth it.
Yes. Use a .013 to .021 tip.
Yes, it would be good for that.
Prime it first with an autobody primer spray.