I would like to place a u-shaped rubber door guard provided with double sided tape along the edges of my car doors to avoid damage against other cars or against walls.

I wonder whether this protection will cause water to be trapped and on the long term additional rust.

1 Answer 1


Less likely from the rubber than from a chipped edge when there is no guard.

Any damaged coating will give the metal chance to return to its natural state which is what it wants to do chemically...

  • I have a spot where the colour and top coat are chipped but the bottom (rust protection?) pinkish paint is still intact. I guess I should retouch it first.
    – FarO
    Aug 22, 2020 at 21:38

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