Drywall ?

[Denray]

Which areas of a house are required to be drywalled?[:-paperba

And for up to 4 occupancies?

Wood paneling can be elsewhere?

[Scottpat]

Which areas of a house are required to be drywalled?[:-paperba

And for up to 4 occupancies?

Wood paneling can be elsewhere?

You need to check and see what your local requirements are. You do not have to use drywall, the wall covering just needs to meet flame and smoke requirements, but many areas have different requirements.

[Denray]

I was thinking between garage and connected house, common walls, as well as below enclosed stairs.