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PostPosted: Fri Nov 24, 2023 5:43 pm 
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Koa
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Can I spray vinyl sealer and then wait a week to start spraying color coats and then clear coats. I’m gonna try my luck on a sunburst. I’m gonna be out of town for a week, is the reason I’m asking.

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PostPosted: Fri Nov 24, 2023 6:12 pm 
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Koa
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Location: Austin, Texas
you'll need to scuff sand it just before spraying


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PostPosted: Fri Nov 24, 2023 9:58 pm 
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Yes, but definitely scuff with Scotch-Brite.


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PostPosted: Sat Nov 25, 2023 4:31 am 
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Old Growth Brazilian Rosewood
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Howdy Skin, I've been wondering how you are doing.


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PostPosted: Sat Nov 25, 2023 10:56 am 
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Im still kicking . Hope all is well with you.

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These users thanked the author James W B for the post: Hesh (Sat Nov 25, 2023 1:11 pm)
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PostPosted: Wed Dec 13, 2023 1:21 pm 
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Walnut
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Would the same apply for color coats.I started a sunburst. Got a couple colors done but now I have to unexpectedly go out of town for a couple of weeks.


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PostPosted: Wed Dec 13, 2023 7:41 pm 
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Koa
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When I was taught to spray lacquers years ago the rule I mentioned above was brought to my attention...doesn't matter if it's a top coat over a 1 week old sealer coat or 1 week between top coats...lacquer is lacquer and after a period of curing needs to be sanded just before applying a new coat. I was never told specifically why but after many gallons under my belt I came to believe the scratches help the new coat burn in/adhere deeper in the existent film. idunno

what I can say is when I had a complete disaster situation that already involved some sickening amount of coats built up I found I had to strip it all and start over again...the following is replication of what destroyed the finish when I had fallen asleep: stripping involved putting 500W halogen work lights about 30" from the surface and leaving them there for too long at which point it basically melted the finish and allowed me to peel off layers (of about 18 coats by that point) of finish all the way to the mahogany...point being the layers and layers of built up finish were completely bonded an in essence one layer...and yeah, I followed the scuff it before applying new coats a week layer routine...I used 600 grit IIRC.



These users thanked the author Mike_P for the post (total 2): CraigG (Thu Dec 14, 2023 2:04 pm) • SkinnyJim (Thu Dec 14, 2023 9:45 am)
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