Hi, I removed the moldings and wallpaper and there was a bit of a "gap" here, should I fill it with something or is it enough to just put a molding??

The reason I removed the wallpaper is because this room smells a bit like wallpaper glue, it's 60 years old and the sun has been shining in here. The glue itself is still there as a yellow layer. Can it be sanded off or what is easiest?

Corner of a room with removed wallpaper, visible adhesive residue, and a gap at the ceiling edge where trim was removed. Peeling wall surface shown.
 
  • Gap between ceiling and wall with remnants of old wallpaper glue visible, showing removed trim location.
As long as it doesn't draft or old sawdust doesn't fall from the gap, just leave it and put up a new ceiling trim. I've never encountered wallpaper paste that smelled, but if the wall smells, wash it with water containing a little bleach and vinegar. Once it has dried, fill and sand as usual, before wallpapering or painting.
 
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greenorangebay
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A AG A said:
As long as there's no draft or old sawdust falling from the gap, just leave it and put up a new ceiling molding.
I've never experienced wallpaper paste smelling, but if the wall smells, wash it with water mixed with a bit of chlorine and vinegar. Once it's dry, fill and sand as usual before wallpapering or painting.
Maybe it's the wallpaper that smells then! The house is from 68, only this room smells, but I don't understand why just this room except that the sun has shone a lot right here. I'll try washing it as you suggested and see what happens.
 
A AG A said:
As long as there are no drafts or old sawdust falling down from the gap, just leave it be and add a new ceiling trim.
I've never heard of wallpaper paste smelling, but if the wall smells, wash it with water mixed with some chlorine bleach and vinegar. Once it's dry, plaster and sand as usual before wallpapering or painting.
G greenorangebay said:
Maybe it's the wallpaper that smells then! The house is from '68, and it's only this room that smells, but I don't understand why it's just this room, other than the fact that the sun has been shining on it a lot here. I'll try washing it as you suggested and see afterwards.
Chlorine bleach and vinegar...! Doesn't that create a nice gas, and you'll end up dead on the floor for the rest of your life.
 
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AG A and 2 others
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Ok, doesn't seem too promising with chlorine gas. Can one sand off this yellow layer with a sander or something similar? or maybe scrape it off?
 
Yes.
Run some water and see if it releases more easily.
 
Sanding probably works best, just use a telescopic handle and coarse sandpaper. I'm working on a room from '67 with 6-7 layers of wallpaper, it smelled a little strange when I started and it gets worse when I steam the wallpaper off.
 
raveper raveper said:
Chlorine and vinegar...! Doesn't that create a nice gas and you end up dead on the floor for the rest of your life.
You're right. My mistake not to think about the result of mixing them. I just know that chlorine is good for cleaning various messes, and that vinegar is good against odors.
But they should not be mixed!
 
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greenorangebay
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