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Rust Seal on tank threads

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About to rust seal a fuel tank.  I've read where a little WD-40 on threads will prevent rust seal coverage. If I let rust seal cover the threads of the fill neck, would the gas cap still fit?

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In general, for the very coarse threads of the filler neck, RustSeal should great for this application. 2 coats of RustSeal is roughly 5 mils thick and there should be enough tolerance in the coarse threads that the cap will still tighten nicely on the filler neck.

Please note: Prep the tank and threads with KBS Klean and RustBlast before applying the RustSeal. This allows for maximum adhesion and durability.

Please let us know if that helps and if you have any additional questions.

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On 9/15/2019 at 10:37 AM, KBS Coatings said:

In general, for the very coarse threads of the filler neck, RustSeal should great for this application. 2 coats of RustSeal is roughly 5 mils thick and there should be enough tolerance in the coarse threads that the cap will still tighten nicely on the filler neck.

Please note: Prep the tank and threads with KBS Klean and RustBlast before applying the RustSeal. This allows for maximum adhesion and durability.

Please let us know if that helps and if you have any additional questions.

Thanks for the FYI.  I didn't realize there should be a second coat done. Let the first coat cure and coat again?

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RustSeal Re-coating should be done once the first or consecutive coat is dry-to-touch and does not leave a fingerprint.

Your Success is Extremely Important To Us! We want your project to be a complete success so please be sure to read through carefully the following documents which will ensure your success using KBS Coatings.
RustSeal Directions: https://www.kbs-coatings.com/rustseal-directions.html
RustSeal: https://www.kbs-coatings.com/RustSeal.html
RustSeal Kits: https://www.kbs-coatings.com/stop-rust-paints.html
RustSeal Application Videos: https://www.kbs-coatings.com/instructional-videos.html
RustSeal Flow Chart: https://www.kbs-coatings.com/rustseal-flow-chart.html
RustSeal How-To Section: https://www.kbs-coatings.com/how-to-use-kbs-coatings.html
RustSeal Fix-It Guide: https://www.kbs-coatings.com/fix-it-guide-rustseal.html

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