Hi I am new to the new r/c models . I have a carl goldberg mig 27 it is 6 ft long and 5 1/2 ft ws . it came with a K&B 91 motor. but it is made of poly stirene foam. I just came home from the hobby shop with a paint that is for painting these typs of models. well i started to spray and the foam started to disolve. if i use fiberglass the resinge want to eat the body.. ???? so what do you use to cover this type of body with john????? any help would be welcomed