Building Assistance: Glulam vs Lightweight Beam (type masonite beam) Load Comparison

[ByggareZeb]

In the process of building the intermediate floor for a house and I have long wanted to try lightweight beams, and for this house build, which is my own, I am free to choose what I will use.

How do I make a comparison between the different options? On the Träguiden there is a lot of information about both, but not in a way that makes it easy to compare (at least I think so).

My requirements are a Bank with
a length of 7700mm and a height of 225mm.
Glulam beam, Masonitbeam, or a self-built variant with 45x45 on top and bottom and OSB on both sides, which I've seen some people build themselves.

Grateful for comparison help.
Best regards, Zeb

 

[Plupp 405730]

Should it be free-hanging where the supports are only at the ends?

 

[ByggareZeb]

Should it be free-hanging with supports only at the ends?

There will be a load-bearing wall in the middle.

 

[Plupp 405730]

Becomes a load-bearing wall in the middle.

Isn't it enough with regular beams of 45x225 that you cross-brace?
It is customary for freely supported wooden beams with spans between 3000 and 4000 mm to be laterally braced in one row in the middle. For larger spans and continuous beams, the floor structure is braced in two rows, usually at the third points. Sheet bracing of nail- or screw-laminated floor chipboard or K-plywood are alternatives to cross-bracing.