OK, thanks for clarifying. Clean the area where the tape goes with something like what I recommended. When you drill the holes, watch out for metal shavings. They WILL CAUSE RUST!! Use (blue) masking tape, a magnet (magnetize your drill bit, it helps a LITTLE), whatever you can to keep them from getting away from you and causing rust problems. This is often overlooked with serious consequences. When you touch up the holes (and inspect the area around them for chipping paint), be sure you DON'T chip the touch up paint when you put the bolts in. I myself usually put some grease/rustproofing on the bolts and in the holes as an added measure. Keep an eye on the area in question, especially after/during next winter.