Hi Mark, im not sure how old the zimmerit was on the one i got. I bought it off a mate. The zimmerit was extremely brittle, on flat surfaces, as long as you are careful it should be ok, but around anywhere it should bend, it didn't and just fell apart (like around the front machine gun and the back of the turret). I did soak some bits longer and it seemed to help slightly. All i can say is go carefully and slowly, it will work in the end but be prepared for bits to fall off or break.
28. May, 20:36