I would remove the insulation and paint. You don't know what the paint or powder coating is. I know the insulation is not fire safe.
Team: Pyle's BBQ; Yoder YS640; Good-One "Trail Boss" 60T; Weber Kettle w/rotisserie ring; Big A$$ Rotisserie; Weber OTS; New Braunfels offset smoker; Weber Smokey Mountain; Chargriller Akorn.
Saddles BBQ Bistro