Hello, I have a garage that is quite long and I would like to tear down a partition wall, as one half has been a place for the car and the other half a storage room.

How do I know if I can tear down this wall and if/what I need to do to ensure the garage doesn't collapse :-) ..?

I am also wondering if I can modify 5 trusses in some way to raise the interior ceiling to accommodate a car lift.

Attached are some pictures, thanks in advance Andreas!
 
Having a hard time seeing how the wall can be load-bearing when you have the trusses going in the same direction.

However, I promise nothing, so wait for a few more responses.
 
You have free-spanning roof trusses resting on the outer walls, so the partition wall has no load-bearing function.
 
Great to hear, thank you so much for the help, then I'll tear down the wall this weekend! :-)

Regarding the second question, do you think it's possible to rebuild 5 of the roof trusses to get a higher construction there so the inner ceiling can be raised to install and use a car lift?

Best regards, Andreas!
 
Rebuilding the roof trusses is unsuitable due to their design. The alternatives are 1) Lifting all the roof trusses and 2) Replacing a certain number of the roof trusses with new ones, calculated according to the new conditions.
 
Okay, big thanks for the help! :-)
 
Even if the wall is not load-bearing, it can still be stabilizing. Garages are a bit of an odd construction, since they essentially lack a wall at the front where the garage door is, compared to normal buildings.

In that case, interior walls of this type can be important for reinforcement.

I know of a case here in Stockholm (Järfälla). A relative's neighbor had illegally built a storage section onto his garage. The storage was hastily torn down before an inspection from the building permit department.

Later, when he wanted to rebuild the storage after the inspection, he aimed for a more open floor plan in the garage, so the rear wall of the garage was demolished, and the storage was rebuilt. A month later, during an autumn storm, my relative was awakened by a crash in the middle of the night, and the entire neighbor's garage had collapsed like a house of cards.
 
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Important observation by the "hempulare." All planes in a house (i.e., all exterior walls and roof planes) must be stabilized either with diagonals or sheet cladding. In a garage with a door on one gable, this can be a problem. It can instead be solved with diagonals in the inner ceiling plane.
 
Okay thanks, should I place diagonals between the trusses closest to the gate then? Or am I misunderstanding :-)
 
Considering that the outer walls are of real dimensions, it is probably not a pretend construction, and you can likely remove the wall without any problem.
 
A Päratrök said:
Okay, thanks, should I place diagonals between the rafters closest to the door then?
Whether it's necessary in your case I can't say for sure, but it's a very simple measure. Check the door wall once you've demolished the partition wall.
I also don't think it's a shoddy construction, but I still want to point out that stability and dimensions can be completely different things.
 
Thank you for all the tips! Now I probably have a little more confidence. :-)
 
When you want to both remove the wall and open up in the ceiling, I recommend that you seek assistance from a structural engineer/builder.

Of course, you should make these changes and get the right help.

It's going to be a superb garage.
 
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