Hello Byggahus forum,

I am in the planning stage of a project where I plan to build in 2+2 Billy bookcases with a smaller storage space behind the bookcases. In the storage space, there will be room for a foldable desk (so that a workspace with a computer can be hidden) and a wardrobe on each side. Please see image 1.

The entrance to the storage space is intended to be "covered" with an external sliding door made of, among other things, plywood. Please see image 2.

The hanging system/rail for the external sliding door (not drawn in the sketches) I plan to attach to a 90x90 Glulam beam running above the bookcases. To "support" the glulam beam, I intend to build a framework of studs. Please see image 3 (angled from the front) and image 4 (angled from the back). The glulam beam (90x90) is yellow, the green studs (95x45) I plan to screw into the framework in the adjacent walls, while the white studs (95x45) are "free-standing". The bookcases will be placed/built in on the black surfaces.

Since I am a complete novice in building with studs, I would really appreciate advice and tips from all the competent people here on the forum.
1. Will the construction be stable enough for an external sliding door that will weigh about 40-50 kg? I am primarily concerned about the twisting force resulting from the rail/door running a few centimeters in front of the glulam beam.
2. How can the construction be improved?
3. How do I suitably attach the glulam beam to the studs, and the studs to each other? I was thinking a combination of through screws and angle brackets.
4. Tips on suitable screws to use for attaching the green studs to the studs present in my walls? I suspect I have wooden studs in one wall (exterior wall) and steel or wooden studs in the other wall (load-bearing interior wall).

Thankful for all responses and comments.
Hans
 
  • 3D model of built-in Billy bookcases with a storage space behind, set on a wooden floor, viewed from the front, part of a home renovation project plan.
  • Sliding wooden door with X-brace design between two white bookshelf units, showing proposed storage system for workspace and closet behind.
  • Framework design with an orange glulam beam on top, green support bars on sides, and black base areas for shelving integration.
  • Framework design with green and white beams supporting an orange laminated beam, viewed from a slanted front angle, for a sliding door project.
Is there no one with any tips or advice? All feedback is appreciated.
 
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