Last time I described, and showed with a lot of pictures, how I started to repair the large drywall crack on the wall supporting one of the French Doors between the living and dining rooms.
If you missed the prior article you can simply use the above link.
To remind you of where we left off, we had applied drywall compound onto the crack and surrounding wall surface followed by placing moistened non-adhesive drywall tape onto the wet drywall compound, smoothing the tape so no air pockets were left.
Once this was all dry, as shown in the above picture, I then began to apply a new layer of drywall compound.
As shown in the new picture above, notice that I applied the drywall compound not only over the existing drywall tape and compound already on the wall but also a small amount on either side.
If you simply apply a second, and sometimes a third, layer of drywall compound only on top of the existing drywall tape and compound you will end up at the end of the repair effort with both a very noticeable bulge or bump in the wall, as well as possible a ridge on either side of the repair if not sanded properly before painting.
Once this second layer of drywall compound was fully dry (I waited until the next morning to be safe), I then proceeded to use my sander pad to manually sand off both any excess drywall compound along either side of the repair as well as within the dried area itself.
Before sanding, remember to cover any surrounding surface area which will be hard to fully clean from the resulting drywall dust which will be created from the sanding effort. You can see in the picture below that I used some old bed sheets to cover the adjacent furniture and printer (I removed the laptop from the room).
You want to be careful not to sand too much so the drywall tape is exposed. If it is, then a third thin layer of drywall compound should be applied.
After carefully cleaning the area from the resultant drywall dust, including both on top of the repaired area as well as the adjacent area of the wall, I then proceeded to apply the first coat of primer paint to the repaired area.
As I do this, notice that I continue to apply the next layer, whether drywall compound or paint, a little beyond the existing repair.
I do this to continue to guard against having any noticeable bulge on the wall over the repaired area. Once the first layer of primer paint is applied, I want the 5 hours recommended on the primer paint can’s label before I apply the second layer of primer.
Once the second layer of primer is completed, then I wait until the next day to apply the paint. And, this is where I ran into an unexpected issue.
Select this link to continue to the last article in this series on home drywall repair.
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