Corrosion Treatment

[Alan the Vanner]

After reading a good tip about this on another thread, I thought that I would open up a new thread for anyone who has, or needs a good way of getting rid of the dreaded tin-worm. After all, lets face it, Maestros and Montegos are prone to it! :horror:

Here's mine for starters:
You know those circular wire brushes that fit into drills? At a tool stall at the local market, I found a larger one that fits onto an angle grinder! Wohoo! That really shifts the loose rust/paint/underseal/hammerite (need I go on?)!
Goggles are a must, though.
Over to you..... :cool:

[SimonR]

Good Idea ATV!

Actually I'm in ned of a little advice. There was a very unsightly rust patch around the tailgate washer jet on A335 and I've stripped it down and wet-and-dryed all the paint off around it and Jenolited it to stop the rust. Thing is tho I've primed it and out a layer of top coat on but you can see that the metal is damaged under the paint. It looks a lot better but not very smooth.

What's the best product to use to cover up these surface inperfections and can I apply it over the primer/good paint without the need to rub down to bare metal?

Thanks for any advice!

SR

[E_T_V]

The angle grinder wire brush attachment is simply great. It would have taken me twice as long to patch up my van without one.

I've also bought a BIG bottle of that anti rust stuff that turns the surface black, similar to jenolite or finnagans etc. If you buy it from machine mart it is about 4 quid per litre!. It is a lot thinner/runnier than the other products but has just the same active ingredient (phosphoric acid) at the same or higher concentration. It also came out as the easiest to apply with the best initial results in a magazine test.

I have also got the same problem with surface pitting below the paint also on the tailgate. My initial thoughts are a very fine skim of filler or a lot of paint and flatting down afterwards.

[MGTurbo]

The angle grinder wire brush attachment is simply great. It would have taken me twice as long to patch up my van without one.



I have also got the same problem with surface pitting below the paint also on the tailgate. My initial thoughts are a very fine skim of filler or a lot of paint and flatting down afterwards.

If its the wire cup brush your talking about, it is excellent at paint and surface rust removal.

With regards rust pitting, if a high build primer filler does not cover it (the aerosal paints are pretty useless) then either a thin skim of knifing putty or a non porous body filler will do the trick. Non-porous is much better for this, as normal body filler will absorb moisture and will increase the risk of it bubbling.

I am convinced that when it comes to surface rust, if you can treat the outside of the panel comprehensivly and take your time, blocking off those harmful elements of oxygen in the air and moisture too, then the rust can be slowed down or stopped completely. Treating the panel from the inside aswell will help.

Gareth