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"bleeding" nails
#1
how do you prevent nails from rusting and bleeding through the paint?

"chaos reigns within.
reflect, repent and reboot.
order shall return."

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w. james

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#2
You use galvanised nails, you don't use one quick coat of cheap latex paint, only top of the line proven acrylics, like 40+$ per gallon.
Don't think of trying to touch it up, way to late for that.

There is a product call POR 15, available at Kona Marine. They should have a sealer primer to go with it. P 15 is a rust reversing product that also provides a durable protective coating by itself, and would be a stopper where ever it could reach rust. That's after scrubbing down the entire surface, , and then scraping out the nailholes to expose the rust. However the POR 15 is hazardous but as little as you use, any adult should be safe. Contract it
Gordon J Tilley
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#3
For the future, use stainless steel nails.
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#4
There is a brand of paint called "Kilz". Use that as a primer and that should stop just about anything from bleeding through. Rust, oil, bright chartreuse color, it fixes all sorts of things! It's not that expensive and it should be in the paint department of HPM, Ace or Home DePot.

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Kurt Wilson
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#5
at the moment, i can't think of the name of the paint product we used for the exterior. ducolux or something like that--it wasn't cheap at all. i think 30 bucks or so per gallon.

tried the kilz HC and that didn't work. i think we need to do the POR 15 that gtill refers to. this house is over 50 years old and we don't know what kind of nails were used. corrosion/rust is a big problem over here in kailua, o'ahu.

"chaos reigns within.
reflect, repent and reboot.
order shall return."

microsoft error message with haiku poetry
"a great many people think they are thinking when they are merely rearranging their prejudices."

w. james

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#6
I had that problem on a house I owned. I punched the nails deeper into the wood, putty, primer, paint. End of problem.
One Thing I can always be sure of is that things will never go as expected.
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#7
It's a common problem on boats.

OSPHO, as a brand, or phosphoric acid will wipe it away, and seal the nail head.

There you go. It's faster than any of the other suggestions listed, and will take the stain off the side of the house as well.

Paint over with Kilz Premium and you're done.
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#8
Oh, and you have to be careful in damp environments because oxygen starved but wet Stainless steel can fail.
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#9
quote:
Originally posted by JWFITZ

Oh, and you have to be careful in damp environments because oxygen starved but wet Stainless steel can fail.


very interesting information.

this is the problem we're having i suppose with our new windows. all the screws are supposed to be stainless steel, but i've noticed several of them rusting/corroding. that is the reason we were told to use some type of marine lubricant for those areas.


"chaos reigns within.
reflect, repent and reboot.
order shall return."

microsoft error message with haiku poetry
"a great many people think they are thinking when they are merely rearranging their prejudices."

w. james

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#10
Oh, now I need to wax knowledgeable.

Stainless steel is "stainless" because of the chromium content in the steel. It rusts nearly instantly on exposure to oxygen and the Chromium Oxide is more or less inert. So, if you have a situation where there is mechanical degradation due to fatigue, or galvanic, or acidic, which is very typical in wood, it consistently burns away the "stainless" and you just get rust. Stainless steel is great, but often poorly understood and applied. It's no panacea, and the fact is that solid hot dipped galvanized is better for most things.

OSPHO will still work, if you get on it.
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