How to repair cracked drywall edge?

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Old 01-21-17, 06:49 AM
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How to repair cracked drywall edge?

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The horizontal drywall edge is cracked in a ceiling to skylight transition.
What is the best method to repair this crack (without removing the edge if possible)?
 
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Old 01-21-17, 08:13 AM
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Cracks are a sign of movement and my experience on corner beads is that an insufficient amount of nails were used to hold it in place. Chip off the thinset, find where the movement is. Add some drywall nails through the bead and then re-mud.
 
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Old 01-21-17, 09:34 AM
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I agree, the corner bead needs to be secure before any repair will hold up long term.
Some drywall hangers don't nail the corner bead but just crimp it on
 
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Old 01-22-17, 08:11 AM
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I removed the plaster on top of he edge. Within the 2.5" stretch I could find only one nail.
I wonder if part of the problem is to reach with the nail the framing. This section is maybe a 120 degree transition.

What nails or screws would you recommend? Want to make sure that nail/screw surface is as flush as possible with the edge as in some areas the edge is not very deep. I do have some regular drywall screws, currently no nails.


 
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Old 01-22-17, 08:31 AM
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Drywall nails are best as they are ring shanked and will not pull out. Nail as close to the outer edge as you can. If you try a drywall screw, make sure you can sink the head enough to be below the mud level.
 
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Old 01-22-17, 09:14 AM
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How about the spackling compound.

There is the regular premixed sheetrock brand. But HW stores also have "crack resisting" products like Dap DryDex or Elasto products.
 
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Old 01-22-17, 10:13 AM
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Spackling normally comes in a quart or less tub and is only for minor repairs. Most any joint compound will work fine for the repair. Setting muds [like Durabond] make for a stronger repair but aren't as diy friendly.
 
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Old 01-22-17, 11:07 AM
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Well, the reason for missing nails in the middle section of the crack appears to be that the nails don't hold.
I bought 1-1/2" nails. Looks like the nails don't reach wood or there is none.

Are there longer drywall nails I should try?
 
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Old 01-22-17, 12:19 PM
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There should be a stud. Drywall is normally 1/2" thick. Are you driving the nail toward the outer edge of the bead? an inch or so from the corner/outside edge.
 
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Old 01-22-17, 12:44 PM
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I am using the pre-made holes in the metal edge. The drywall is at an angle, there could be a bit of a void from that gap, but woudl have thought to hit a stud.

Meanwhile, I tried a longer screw, there is simply no stud behind.
Also drilled holes into the metal edge closer to inside and outside, same result.
 

Last edited by destruct05; 01-22-17 at 01:17 PM.
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Old 01-23-17, 03:19 AM
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I don't recall ever using it but they sell a paper faced corner bead that you basically just mud in place, no nails are used with it.
 
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