How to fix a botched drywall patch with uneven edges and gaps
Cutting uneven edges, leaving gaps between sections, and tearing the paper creates an irregular surface that makes standard mudding and sanding fail. These mistakes prevent the patch from blending smoothly with the surrounding wall, leaving novices stuck with a poorly aligned repair.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1trimming rough edges with a razor knife at an angle
- 2filling gaps and uneven areas with joint compound or hot mud
- 3sealing torn paper with latex caulk or spray primer before mudding
- 4Cutting a larger hole to reach studs
- 5Installing backing boards parallel to ceiling joists to support the patch
- 6patching the drywall yourself
- 7installing a paintable access panel
- 8Cutting out the damaged drywall, replacing it with new drywall, or hiring a professional to do the work.
- 9DIY repair using inexpensive materials like drywall, mud, and tape while watching YouTube tutorials
- 10Hiring a handyman or professional
- 11Hanging a picture over the hole
- 12Switching to hanging items with nails and patching the resulting holes instead
- 13Using compound filler
- 14Cutting boundaries and replacing the drywall
- 15Using an endoscope camera to inspect the depth of the cavity
- 16Filling holes with backer rod or low-expansion spray foam and patching with joint compound or mortar
- 17Purchased joint compound mud without knowing the proper application sequence.
- 18watching YouTube tutorials for step-by-step guidance
- 19hiring a professional contractor to patch the drywall
- 20Ignoring thin hairline cracks
- 21Investigating the underlying cause of worsening cracks instead of covering them up
- 22Covering plaster with drywall
- 23Using drywall compound and sanding it down in thin layers
- 24Using spackle, sandpaper, primer, and paint
- 25Using spackle, a putty knife, a wet paper towel, primer, and paint
- 26Using a drywall patch and paint
In their words
Unedited, most upvoted first, each linked to the thread it came from.
“I was playing with my mom and slipped and hit my head on the wall and it broke I’m trying to figure out how much this would cost so I could find stuff I could sell for money because it’s really tight”source ↗
“I made several errors whilst trying to repair a large patch of drywall. Specifically, I: cut the edges unevenly... which caused large gaps between the new/old sections somehow made the new/old sections uneven tore the paper in several places”source ↗
“Can I continue the repair with the usual sanding, mudding, etc, specifically all of the above problems (especially the uneven sections... I can't even figure out what caused it).”source ↗
“I am a complete novice in drywall and thought this might be a good first patch job since it's pretty small.”source ↗
“I am guessing the fact that the hole overlaps the 2x4 means I need to cut a larger hole, since I can't see how I would attach the patch the way it is now.”source ↗
“To be clear, I was basically nervous looking at the drywall cut off such that some nails were no longer doing much and wondering if it was dumb to just patch the hole when the surrounding drywall no longer looked securely attached.”source ↗
“I gently removed it to adjust the placement, but it created a bubble, then ripped off an entire chunk of paint/ drywall !”source ↗
“How do I fix this?”source ↗
“Would it be better to just hang things up with a nail in the future, and patch the holes, or is this a sign that I can't have anything on my walls?”source ↗
“I was prepping to paint and found a spot peeling, started scraping and it led to this.”source ↗
“I have zero experience working with plaster. Any suggestions?”source ↗
“I need some step by step instructions on what I need to do to prepare to install a backsplash. Do I need to apply all new drywall?? I am not handy and this is our first home so I have no experience with any of this.”source ↗
“I am currently removing the tiles and getting a significant portion of the drywall with the tiles when i remove them.”source ↗
“We bought this home a few months ago and just noticed these two spots. I used an endoscope camera to see how deep they went. The one on the right was shallow. The one on the left went a few inches in before I couldn’t go any further.”source ↗
“Do you guys think these are good to just fill in? What would you use?”source ↗
“Hello, a plumber recently came by to do some repairs and he had to cut a hole in the ceiling because the repair was upstairs. I understand it’s mostly drywall but I am wondering what else might be needed, as I’d like to do it myself.”source ↗
“I now have encountered a few issues and don't know what steps to take next.”source ↗
“I have several places where the drywall paper was knicked or gouged, as wall as places the the drywall paper seam tape ripped off from being wet.”source ↗
“I had small sheets of paint come off in the process and it has left quite a noticable paint 'ledge'.”source ↗
“I don’t know much about plaster but I bought an old house that has plaster walls and ceilings.”source ↗
“The ceilings need help bc of cracks (can’t decide if they are getting worse).”source ↗
“instead of fixing the cracks in the ceilings, can I cover them with drywall.”source ↗
“Owning a 90 yr old house has a big learning curve for me and I’m trying to figure it out.”source ↗
“New homeowner, have a small dent in the wall; how do I go about fixing it?”source ↗
“I’m very not much handy with tools lol, any help on what to buy would also be appreciated.”source ↗
“I am pretty handy and have done lots of drywall in the past. Is this something I can and should try to do myself or should I hire someone to do this professionally. I did get a quote of 475 for this but that seems steep to me.”source ↗