HI THE color of the film coverings has a lot to do with the way it will worksome colors are just more difficult than others to applyafter reading this thread ULTRACOAT looks like the stuff to usedon't you just love the exchange of info here I DOdesigned to keep us using the best possible products that are available- keeping us abrest of the changes in the market place -just hate to loose a product we have used for so long-write it off to a changing word-and the EPA ENJOY REGARDS TONY