this stuff is tough stuff.....i am brushing it on the outer rails and spraying it on the hard to get spots. but what a great job it does...prep,prep,prep...and it works like a champ...and just brushing it on i did not wear any respirator at first...then I was getting a buzz...so now I am....and I doNt SEe anNy SiDE Affectz YEt.
Sean