Done a couple of these.
the ones we have done were equipped to seal machines off that could suffer from any contamination, such as vats, mixers etc.
We used poly sheeting to cover anything else.
The bottom line is, if you're degreasing, it's a long hard process done by hand, and with great care.
Speak to the contact and see if they can work with you, and give you some assistance in terms of closing areas off, and previous experiences.
Good luck.