Buck Turgidson wrote:
It's for the children.

I'd put up insulating foam boards, texture it, and paint.

Who could tell?

Wouldn't exposed foam be a big fire hazard? Probably very illegal.

If it is, a lot of house are in violation. I was talking about the
insulating board that they face framework with.

Besides, that stuff doesn't support combusion. It'll melt, but won't burn.