Wood seems to be OK with the health inspectors around here (that's the
setup of one of our BBQ caterers), but on the other hand, why take a
chance on the hassle? If the guy wants to cater, he will have to keep
the equipment spotless if not for the health department, for his
If his rig is large enough to pull behind a truck he will probably be
cleaning with a pressure washer anyway and heavy cleaners and methods
certainly won't have an effect on the poly. I agree with EP, go with
poly. Cheap, easy to clean to perfection, and readily available.