I have made a small extension that resulted in the removal of an exterior wall and the installation of a beam. Now I have a bit of trouble when I'm doing the finishing touches to cover the beam's support and install the ceiling molding.

On one side, I have a closet wall, and it will work perfectly with the trim flush with the closet + an extra stud on top of the closet to attach the ceiling molding to. (image 1) However, on the other side, I'm not quite sure what to do since the trim ends up outside the wall, and the ceiling molding is positioned completely differently. (images 2 & 3) Shelf and board in image 3 are only for illustration. :)

How do I solve this?
 
  • Wooden beam and surrounding structure with a partially installed ceiling, adjacent to a white wardrobe. Tools and screws are visible in the beam.
  • Wooden beam installed against a wall with decorative wallpaper and some electrical wiring visible in the corner, demonstrating home renovation details.
  • Ceiling and wall connection with wooden support beam, exposed wiring, and partial wallpaper. Edge of a wooden cabinet is visible on the right side.
S
Lindgrenski Lindgrenski said:
I have done a small extension which resulted in a removed outer wall and installation of a beam. Now I have a bit of a problem when I'm trying to do the finishing touches to cover the beam support and put up the ceiling molding.

On one side, I have a wardrobe wall, and there it will work perfectly with the trim flush with the wardrobe + an extra stud on top of the wardrobe to mount the ceiling molding against. (image 1) On the other side, I don't really know how to proceed as the trim will end up on the outside of the wall and the ceiling molding will be positioned completely differently. (images 2 & 3) Shelf and board in image 3 for illustration purposes only. :)

How do I solve this?
Can't you run the trim all the way out to the frame and then place the cover board below it?
 
S Snickesnickarn said:
Can't you run the trim all the way out to the casing and then put the cover board below it?
It’s supposed to be a regular "svanhalslist" but I didn’t have one to demonstrate with. In the picture, it’s a mattress base.
The problem if I run the trim all the way out is that the inner frame board ends up outside the ceiling trim. I think it looks odd but maybe that's how it has to be done.
 
  • A hand holds a mattress base against a wall, with a wooden edge at the top, showing the placement issue of overhanging trim.
S
Lindgrenski Lindgrenski said:
It should be a regular swanhalslist but had none to show with. In the picture, it's a mattress base.
The problem is if I put the list all the way out, the smygbräda ends up outside the ceiling list. I think it looks odd, but maybe that's what you have to do.
I may not fully understand the construction, but can't you just cut the list and cover board to the right measurements?
 
S Snickesnickarn said:
I might not quite follow the construction, but can't you just cut the molding and cover board to the right dimensions?
I'm not talking about cutting, but rather that the edge board at the top ends up outside the ceiling molding in depth, creating an odd edge there. It would look better if I could find a thinner edge board.
 
S
Lindgrenski Lindgrenski said:
I'm not talking about cutting but that the trim board at the top ends up outside the ceiling molding in depth, so it creates a strange edge there. It would look nicer if I could find a thinner trim board.
I would have cut into the molding so that the cover board goes flush with the molding, where they meet at the same depth.
 
P
Can you build down the opening in the ceiling just enough for the molding, so that it goes down on the trim a little bit, then it should be possible to install the molding as usual in that room, on the other hand, there will be casing around the opening.
 
Handyman 1 said:
Can you build down the opening in the ceiling just enough for the crown molding so it goes down on the molding a bit, then it should be possible to install the crown molding as usual in that room, on the other side there will probably be casing around the opening.
I'm not quite sure what you mean. I'll post a larger overview picture.
 
  • Ceiling corner with exposed wiring, floral wallpaper, and wooden panel on the right; part of a window visible on the left.
Anyone else with tips?
 
I would have skipped the trim and caulked between the wall and ceiling instead.
 
M
Lindgrenski Lindgrenski said:
Anyone else with tips?
I'm a bit unsure what you mean, but if it's end finishing of a gooseneck you're trying to achieve, you can simply cut it at an angle and attach a small angled piece on the outside for a neat finish.
 
  • Ceiling corner with an angled white molding piece ending at a wall junction.
pacman42 pacman42 said:
I would have skipped the trim and sealed between the wall and ceiling instead.
That's not possible as the gaps are way too big.
 
M Muuuuurtin said:
I'm a bit unsure what you mean, but if it's a swan neck end finish you want to achieve? Then you can just cut it at an angle and put a small angled piece on top for a neat finish.
The end should be on the far right of picture 2. The problem is how I pass the trim board with the crown molding as the trim board adds so much.
 
I would just have cut out the dovetail strip at the back with the same depth on the notch as the smyglist. Something like this.
 
  • Illustration of a skirting board with a cut-out for a dovetail stop, aligned with the depth of the architrave, in a construction project.
  • Illustration showing a cornice with a detailed cut, similar to a coving trim, in the context of a building project.
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Keiller
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Or maybe like this, with some kind of block to end against. You could chamfer or carve something fun on it if you're creative.

Though I'm not sure I've understood you correctly...
 
  • 3D rendering of building corner with decorative block at top, blue wall, and white trim against a clear sky background.
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