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trouble with lacquer finish

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Forum topic by bygrace posted 12-03-2017 11:25 PM 277 views 0 times favorited 7 replies Add to Favorites Watch
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bygrace

173 posts in 1806 days


12-03-2017 11:25 PM

Topic tags/keywords: finishing

I’m putting a lacquer finish on a hostess table I built for a local restaurant. The first two coats went on great, smooth and clear. the third coat, however, had a little cloudiness in a few small areas. I sanded a little heavier in those areas that seemed to remove most of it and applied a forth coat, that came out much cloudier. Since its a dark stain it is very noticeable. I used the same mixture on all coats. 33% or two to one sprayed on with an Earlex 5500. I’m using Sherwin Williams Hi build lacquer that worked out great on a table I just did.

I’m supposed to deliver this on Tuesday. Any ideas?

-- Andy, Waxahachie, Tx.


7 replies so far

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cabmaker

1621 posts in 2645 days


#1 posted 12-03-2017 11:34 PM

Andy…...sounds like you have a blushing situation

If you want to keep it simple….spray the entire thing with lacquer retarder….then walk away

You can thank me later

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HerbC

1686 posts in 2696 days


#2 posted 12-04-2017 12:06 AM

Behlen makes Jet Spray Blush Eraser which works like a charm.

-- Herb, Florida - Here's why I close most messages with "Be Careful!" http://lumberjocks.com/HerbC/blog/17090

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bygrace

173 posts in 1806 days


#3 posted 12-04-2017 12:35 AM

So what causes this? How can I keep it from happening again?

-- Andy, Waxahachie, Tx.

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jbay

1857 posts in 736 days


#4 posted 12-04-2017 01:28 AM

Normally it’s because the lacquer finish skins over before any present moister evaporates.
Using a retarder in your lacquer will slow the drying time a little giving the moisture a chance to dissipate before getting trapped under.
Usually high humidity is the culprit, not so much when it’s dry out.

Most of the time, with my experience, the following coat will make it go away,
as long as the humidity doesn’t make it happen again.

I wouldn’t try to sand it out, just go over it again and see what it does.

-- If anyone would like to see my Portfolio, PM me and I would be glad to send you the link.

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cracknpop

259 posts in 2185 days


#5 posted 12-04-2017 04:58 AM

Good advice above. We love spraying lacquer because it dries so fast. The caveat is that it dries so fast, any moisture (humidity in the air typically) cannot escape before it dries. Using retarder will slow the drying enough to allow the moisture to escape.
As mentioned above, spray another coat with lacquer with retarder and it will likely fix it. In the future, use a ‘slow drying’ lacquer thinner (thinner with a little retarder already mixed in) or just add a little retarder to your finish coats.

-- Rick - I know I am not perfect, but I will keep pressing on toward the goal of becoming all I am called to be.

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bygrace

173 posts in 1806 days


#6 posted 12-05-2017 01:38 AM

“Just spray it with lacquer retarder…and walk away.” I wish everything was that easy! Thank you everyone for helping out. Yesterday was a very stressful day but thanks to you guys today was great!

-- Andy, Waxahachie, Tx.

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cracknpop

259 posts in 2185 days


#7 posted 12-06-2017 05:03 AM

Glad it worked out for you

-- Rick - I know I am not perfect, but I will keep pressing on toward the goal of becoming all I am called to be.

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