I am going to convert from 2 garage doors to one large garage door at 460cm. I need to remove a load-bearing wall between the current doors and need help with the dimensions of glulam/steel beam.
The wall is made of concrete and it supports an I-beam that the garage roof rests on. The garage roof is 8 meters wide and 7 meters long and covered with sheet metal.
The new door is 35cm lower than the old one and I hope that will be enough space for the beam. I feel like I'm explaining it a bit awkwardly, but I hope you will understand after you look at the pictures.
In one of my sketches, I have shown how the door will be mounted approximately