Ceiling Drywall Repair Question
USP45 is absolutely right about the method of patching such a hole. We have patcched such holes this way, literally thousands of times. Even this week, our drywall workers are doing repairs in 30 apartments damaged by ice dams, using the same methods....
As far as the popcorn surface: Scrape down the surrounding area of the hole before taping and coating. Then do the drywall patch and taping as normal. Key Point is: Get the edges of your coats smooth. Then when you spray it, the patch won't show.
When you spray it (the patch): Spray in a grid pattern (2 directions = grid).
Feather out the spray as you leave the patched area.
There is no guarantee that you will be able to match the popcorn spray perfectly.
I will say that there are actually different types of popcorn spray; medium, fine, extra fine. The difference is in the size of the popcorn "balls". So you would need to figure that out and match it.
Tip: Do test sprays on scrap sheetrock BEFORE you attempt the ceiling patch...
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