Some wrap some don't. This is how I do it and the process is fool proof and always turns out great tasting, tender brisket.
Jambo Pit - UDS - Lang 60 (Sold)
18.5" & 22.5" Weber Kettles - Smokey Joe and Mini-WSM - Bubba Keg - #2 La Caja China
Impeccably Accurate BLACK & RED Thermapens
Operation BBQ Relief Founding Member
I am Obsessive Compulsive about BBQ. Google it.