Fishing Victoria Forum

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My 4 year old quintrex has small spots of rust showing through the paint on the top of the gunnel. Mostly near the edges. Is the top gunnel made of steel in some aluminum boats? I wash my boat after use and keep it covered when not in use. It does not seem to be electrolysis damage. Has anyone had such problems?

rodderslw wrote:[img][

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My 4 year old quintrex has small spots of rust showing through the paint on the top of the gunnel. Mostly near the edges. Is the top gunnel made of steel in some aluminum boats? I wash my boat after use and keep it covered when not in use. It does not seem to be electrolysis damage. Has anyone had such problems?

quintrex earth there boats to the hull.

are you sure its not electrolysis?

Bm

barra mick wrote:

rodderslw wrote:[img][

20170102_155554.jpg

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My 4 year old quintrex has small spots of rust showing through the paint on the top of the gunnel. Mostly near the edges. Is the top gunnel made of steel in some aluminum boats? I wash my boat after use and keep it covered when not in use. It does not seem to be electrolysis damage. Has anyone had such problems?

quintrex earth there boats to the hull.

are you sure its not electrolysis?

Bm

Thanks for the reply barra mick. Well it may be electrolysis there is no bubbling in the paintwork....but I'm no expert. So I can/should earth the electrics to the ground when the boat is not in use? How might I do this? I always disconnect my battery when not using the boat and I do not have an on board radio.

It's rust, from metal specs either landing on the paint/boat before or after being painted.
It could be from someone grinding metal close by or a wire brush that was used to clean the hull prior to painting, lots of reasons spring to mind.

Brett wrote:It's rust, from metal specs either landing on the paint/boat before or after being painted.
It could be from someone grinding metal close by or a wire brush that was used to clean the hull prior to painting, lots of reasons spring to mind.

Thanks, so that sounds like it would not cause too much damage but look a bit crap.

My next boat will be unpainted!

You may be able to clean most of it off, if it's just contamination on the outside of the paint.
Try washing and scrubbing it with a green kirchen scouring cloth, bare in mind this is like wet sanding the paint, so will most likely dull the finish.

improper/insufficient cleaning after welding caused it. It could be due to wire brush used or there were still some bluing left behind after the welding which contributed to the oxidation/rust.

Agree with Brett. Just strip the paint off, clean it and repaint it.

Thanks all for the feedback

Maybe some spray on rust converter might get rid if it. Then use a spray can paint and touch up the area.

It def look like rust to me.