| The only thing I would want to say at this point is rust sucks. As long as you have no rust inside, and the bare metal is primed and preferably painted then the liquid stuff is good for you. If you haven't sealed the metal and you pour on a water based product (they are latex or epoxy based usually due to VOC regulations) you will have another rust issue sooner than you would want.
The liquid stuff works well on horizontal surfaces but not so well on vertical surfaces as it tends to 'slump'.
I have used the 3M spray damper and dont think it is a very good solution for sheet metal and the nozzle clogs during use and makes a holy heck of a mess (liquid damping materials tend to be messy and are best applied with a commercial spray assembly).
A good polyurea (truck bed liner) would work inside or outside, some of the professional rust treatments effectively damp vibrations and VW in the 80's used wax for panel vibrations.
Last edited by JohnVroom : 05-29-2008 at 08:15 PM.
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