>Between LVLs, Glulam beams, and CLT what you should be asking is why arn't more midsize buildings built of wood instead of environmentally disastrous concrete.

>Between LVLs, Glulam beams, and CLT what you should be asking is why arn't more midsize buildings built of wood instead of environmentally disastrous concrete. Here in Japan, it's because wooden structures over about 3 stories will collapse in an earthquake, so everything over that height is made of steel and concrete.