Over the years the paper taped joints between the walls and the ceiling came apart.
They looked horrible and I needed to do "something".
So - I had these plastic hypo applicators from a project from years ago. They are NOT medical and the tips are plastic. They are available at McMaster.
I filled the applicator with contact cement - a small bottle was all I needed.
Then I stapled the whole thing up. Some places stapled up better up better than other places.
I then applied a generous layer of joint compound.
To even it out and "feather" it into the existing popcorn ceiling - I just spread it with a sponge. I needed to make sure there was a generous layer for the next step.
I "stipled" the compound with a 1" chip brush. I just poked and poked the compound to make it look something "like" the popcorn.
Doing this repair took me weeks. If I was young and 40 - it would have been one - two days.
Of course I needed to scrape and sand the wall to get a crisp corner edge.
I also went over the corner with some painter's caulk and my finger to really blend in the corner.
When I paint a ceiling I like to brush the edges and paint down onto the wall. I will cut the wall color up to the ceiling. So this is the edging all brush painted. It was tough to get a good shot - but I think it is clear enough.
There is is all painted up.
So the breezeway, the hallway and the vaulted ceiling - is all painted - 3 gallons of Sherwin Williams Eminence Ceiling Paint