Hi,
I have a wallpapered drywall and I'm planning to mount the TV on it, but of course, I don't want visible cables, so I was thinking of routing channels in the drywall and then putting new ones over it.

Is it just a matter of screwing the new sheets onto the old ones with regular drywall screws, or is there something else needed??

Thank you very much
 
you can have screws twice as long so that you go through and can bite into the beams/boards
 
Take the opportunity to reinforce the wall with kortlingar or similar so that the TV doesn't fall down...
 
I would probably remove the plaster you have because you need to install noggings just as ByggaNytt suggests. Then you have the problem with wall outlets, window casings, door casings, crown molding, and baseboards meeting other walls. How did you plan to attach the TV bracket? That brings up a lot of questions.
 
If it is a wall without windows and doors, the simplest solution might be, as evoline suggests, to mill in pipes for cables and then add a new layer of plasterboard. Cut out a square in the plasterboard and screw in a piece of plywood to mount the TV on (attached to the studs). The new plasterboards are screwed with 41mm drywall screws into the studs.
 
If it is a wall without windows and doors and there is space available, I would have framed and built a new wall on the outside. Plenty of space for pipes and anchor points for everything you might want to conceal in the wall.
 
The wall is without windows or anything else.
Planning to hang up the TV (11kg) as usual through the double drywall and into the studs.

Planning to rout the inner drywall and run the antenna and power plug in it, then have the new drywall over it and put new outlets for antenna and power on the new drywall.
 
As small as 11 kg is no problem :)
 
What I have done in all my installations is take the hole saw and drill a hole hidden by the TV. If you have a TV stand at the bottom, use the hole saw there as well.
Otherwise, you can plumb from above with a small nail/screw on a string, drill the necessary hole so that the connectors go through, plumb on the inside, catch the screw/nail with a magnetic screwdriver or equivalent, and pull the cables through.

If you have insulation in the wall, it becomes a bit trickier in any case.

I have done this a number of times with very good results.

Good luck!
 
No insulation and no TV stand will be needed.
M that's exactly how it should be, the TV should cover the holes.

Thanks Fain for the tip.
 
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