Should You Insulate Your Basement Walls. At a minimum, you should wear a disposable coverall suit with hand and foot coverings as well as a respirator. Both of these are similar, both of these are methods i see all the time, and they all end up with mold problems
If your basement gets extra cold in winter, the walls are likely passing cold heat from the ground surface.
No you should not, as plastic will prevent moisture from moving through the wall and will lead to mold and damage. Framing a basement wall against concrete or cinderblock is not as hard as you would think. In some case it's estimated up to 20% of the heat is lost when the basement any structural damage or moisture issues need to be fixed before you insulate your basement; How to insulate basement walls.