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RustSeal over existing primer


bugsoli
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Hello,

I just got my 68 Mustang back from the sand blasting (by a professional company) and it looks like they painted the whole body in a red-brown primer for corrosion resistance.

I would like to paint my complete engine compartment with the Glossy Black RustSeal, and I was wondering if I had to lightly sand the existing primer with 320 grit paper or not prior to spraying the RustSeal?


Of course, everything will be cleaned with degreaser afterwards.

For info, I don't want to sand everything to bare metal!


My other question is: do I have to thin the RustSeal if I spray with an HVLP gun with a 1.4 nozzle?


Thanks for your support, great products so far!


Oliver (from Belgium)


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"I was wondering if I had to lightly sand the existing primer with 320 grit paper or not prior to spraying the RustSeal?"

Yes. That would be great.


"do I have to thin the RustSeal if I spray with an HVLP gun with a 1.4 nozzle?"

Yes. Usually 5-10%. But I also have known people who do not thin it at all. But we do recommend 5-10% with KBS #1 Thinner.


You can find complete directions for RustSeal application here: http://www.kbs-coatings.com/rustseal-directions.html


We also have very helpful instructional videos for the application of RustSeal that you can watch online for free here: http://www.kbs-coatings.com/instructional-videos.html


In addition, we also have a Flow Chart for the application of RustSeal here: http://www.kbs-coatings.com/rustseal-flow-chart.html


We also have our How-To Section which has two series of common step-by-step procedures for the application of RustSeal found here: http://www.kbs-coatings.com/how-to-use-kbs-coatings.html


And before you begin your project, it is always a great idea to familiarize yourself with our RustSeal Fix-It Guides found here: http://www.kbs-coatings.com/fix-it-guide-rustseal.html


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