[xte]

I have built my first wood houses since few years, European class A+, short answer is yes however less than concrete houses.

Long answer structure is from lower flat and upper is:

- fibrous plaster + finishing with it's support structure

- mineral wood 100mm think between wood beams (250mmx100mm)

- OSB panel on top of beams, 30mm

- sandwich panel composed of wood wool (20mm) and fibrous plaster (30mm)

- thin (4/5mm) wood wool panel

- laminated floor

If I walk normally I do not hear too much downstairs, otherwise well... Noise passes, far more than classic concrete + rubber coat + background and floor tiles... Also when I move I hear "casual noise" from laminated floor friction. Not much but a bit yes...

IMO sound propagation is due to the fact that wood structures are lighter and elastic than concrete so vibration passes far easier and it's hard to stop them...