Aluminium corrosion

S

Scrit

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Anyone got any experience of dealing with corrosion on a coach-bulit aluminium body? We have a van with an all alloy body, unfortunately it has spent much of its life in a salt spray environment and there are signs of bubbling around the rivet heads, underneath the paintwork. I want to clean this up prior to respraying the entire vehicle. Other than mechanically stripping back with a softish wire brush then cutting back with an abrasive, is there any better way to sort this out?

Scrit
 
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Id imagine DA it all over, strip back the ally corner beads with maybe a powered soft wire brush followed by hand sheets, then reprime......
 
Scrit said:
Ermm.... ."DA" :?: Could you explain, please

Scrit
Click to expand...

DA is a type of sander which rotates both backwards and forwards (oscilates)at high speed. They more usually(but not always) work of a compressor and are used in bodyshops etc. DA= Dual Action.

Whilst they are quicker and leave a better finished any sander will do followed by Hitachimad's advice.

You really need an etching primer on ally first otherwise the paint may not adhere very well.
 
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Ah - what we joiner types call (incorrectly) a random orbit sander or ROS. My old man used to refer to them as "jitterbug" sanders....

Scrit
 
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