Joint compound over old nails

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Old 06-05-16, 08:55 AM
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Joint compound over old nails

I was priming ceiling where I had used joint compound over rusty old nails in drywall. The joint compound broke out of a few of them. I was thinking about mudding again and brushing primer on it. Concerned it may crack back out when painting. Any thoughts?
 
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Old 06-05-16, 10:00 AM
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If you have the time, I would prime the holes before filling. Let the primer dry.

Whether primed or not, I would fill the holes with 'Hot Mud', setting type joint compound.

The hot mud dries fast, has less shrinkage and has better adhesion.
 
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Old 06-05-16, 10:15 AM
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Sometimes it's beneficial to add a nail/screw next to the existing one to make sure it stays in place. If the mud is thick enough it will prevent any rust from coming thru.
 
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Old 06-05-16, 03:15 PM
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Agree with Marksr as movement is causing your nail head to pop. Set a drywall screw adjacent to the offending nail and mud smooth.
 
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Old 07-21-16, 05:15 PM
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Thanks guys. I put a drywall screw beside each nail that this happened to, only three. Put some joint compound on it, sanding and primed.
Not sure why but haven't received any emails from this forum on replies, odd.
 
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Old 07-22-16, 04:11 AM
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Did you subscribe to the thread? I haven't done it in a long time but basically you go into 'forum actions' then 'settings' and click on the thread you want to be subscribed to.
 
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Old 08-01-16, 08:27 PM
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Yeah not used to subscribing, figured that out. Still no replies they were sent to spam folder.
 
 

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