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RE: [T3] Sandblasting

Yea, the inside of the rockers MUST be treated to prevent future rust, I
personally use oil AFTER everything is painted, it works quite well and if
carefully done the mess isn't too bad, otherwise I worry about simply
covering up the rust and holding the moisture in it.


In my opinion the best way is to DA sand and only blast areas of rust only.
I also treat all interior areas like rocker panels with a cleaner (Greased
Lighting @ Lowes) and a very high pressure washer to clean them out. Then
use compressed air with a long 2' extension to blast all the water out. Put
a heat gun on the cleaned  areas to dry them then spray a anti rust
chemical into the channels using the compressed air to work the chemical
into the small areas. Spay bed liner into everything that will be hidden or
not painted for show.

Unitized bodies rust from the inside out and failure to get the rust
stopped on the inside areas will eventually eat to the outside.

And thats the way I do it.  

> [Original Message]
> From: Keith Park <topnotch@nycap.rr.com>
> To: <type3@vwtype3.org>
> Date: 7/2/2006 5:35:56 PM
> Subject: [T3] Sandblasting vs Mediablasting
> Hi all,
> Ive found a local guy (VW nut too!) to do some of my large area blasting,
> does old time sandblasting though.  Is there any advantage to media
> to sandblasting for sheet panels?
> He showed me a car he has done several weeks before, and its been humid
> here, and there was little to no re-rusting, which says to me that the
> black beauty he uses really gets down deep and all the rust out,
> since the car he showed me was a Rustang!
> Any reason to not go for the plain sandblasting over a Media blaster
> I find a local one) ??
> Thanks
> Keith
> Top Notch Restorations
> topnotch@nycap.rr.com 
> 71 Squareback
> 65 Notchback "El Baja Rojo"
> 65 Squareback "Eggcrate"
> 87 golf "Winterat"
> 93 RX7 "Redstur"
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