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Old 05-24-2012, 08:08 PM   #1
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Sanding - getting small pits


I'm sanding down my third coat of mud and have a few areas where I can't get rid of a small cluster of pits in the mud. On a couple spots I've sanded almost down to the paper and the pits remain. Any suggestions?

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Old 05-24-2012, 08:14 PM   #2
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Sanding - getting small pits


Here's a close up pic of what I'm talking about.

Thanks.



Last edited by schatzi; 05-24-2012 at 08:16 PM.
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Old 05-24-2012, 08:36 PM   #3
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Sanding - getting small pits


Those are air bubbles.
Sand it down, thin down the mud a tiny bit and apply a really thin coat.
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Old 05-24-2012, 08:38 PM   #4
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Sanding - getting small pits


Pretty much what I figured. I was hoping for a magic sanding shortcut but alas nothing is ever that easy. Thanks much
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Old 05-24-2012, 08:45 PM   #5
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Sanding - getting small pits


Many things can cause air bubbles. The biggest first time DIY mistake is overworking the mud, and applying it to thick.
It always takes at least three thin coats to get a repair filled in.
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