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Western red cedar color defying paint

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Forum topic by willhime posted 12-03-2020 11:45 PM 429 views 0 times favorited 5 replies Add to Favorites Watch
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willhime

177 posts in 2555 days


12-03-2020 11:45 PM

Topic tags/keywords: question resource tip trick cedar finishing

I’m making a bench that’s supposed to be mock driftwood, painted bleach white. There’s grooves in the surface i power carved to mimic water running over it. Problem is, I’ve put 7 coats of paint on, and no matter how thick I spray it, there’s this weird yellowish brown color seeping through every single coat. It’s only in the carved grooves though. Is there a reason behind this and a way to fix it and prevent it from happening next time I do it ? I assume it’s the wood’s oil that was released when carved into, but it’s not happening in the holes that were routed all the way through it.

-- Burn your fire for no witness


5 replies so far

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Foghorn

1058 posts in 402 days


#1 posted 12-03-2020 11:49 PM

Shellac as a first coat should prevent this.

-- Darrel

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willhime

177 posts in 2555 days


#2 posted 12-03-2020 11:54 PM

Even if my paint is latex based ?

-- Burn your fire for no witness

View Foghorn's profile

Foghorn

1058 posts in 402 days


#3 posted 12-04-2020 12:15 AM



Even if my paint is latex based ?

- willhime


Shellac sticks to most anything in my experience. I’ve successfully used it to stop pitch pockets from bleeding through. Try it on an offcut. Good luck.

-- Darrel

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Axis39

438 posts in 613 days


#4 posted 12-04-2020 06:13 AM

Shellac sticks to just about anything, as Foghorn says.

But, almost everything sticks to it as well!

I am constantly using it as a sealer before applying any other product. I also use the BIN shellac based primer for raw wood, or going over an older finish. I’ve used both plain shellac and the BIN primer in between coats of latex as well (usually to hide a knot that’s weeping, or a pitch line like you have).

-- John F. SoCal transplant, chewer uppper of good wood

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SMP

3460 posts in 921 days


#5 posted 12-04-2020 06:27 AM



Even if my paint is latex based ?

- willhime

Yes, but make sure its dewaxed. You can buy dewaxed flakes or the “Seal coat” premixed products.

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