Joists 16" on center is the industry standard. Usually you will get 5/8 plywood on top. 1 inch tongue and groove plywood all glued and screwed will be as Williewonka said "concrete". You shouldn't need more joists. The plywood is a cheaper and easier option.
Treating Floor in New Construction - Reducing Footfall and Vibration
Looking for some good ideas/solutions to treating my new dedicated music room's floor. The room will be fairly large at 22w x 29L, built on the main floor of the new house with a basement below. My current room is in my basement with concrete floors so footfall is never an issue.
I have asked the engineering firm to give me some recommendations on making the floor stronger structure wise; not sure what they will suggest, maybe floor joist on more narrow centers, say 12 inch vs 16.
Have you tackled this issue? What about mass loaded vinyl (MLV); would a layer of heavy vinyl between the OSB floor boards and carpet pad help? Use two layers of OSB flooring and glue them together? Ideas?
I have asked the engineering firm to give me some recommendations on making the floor stronger structure wise; not sure what they will suggest, maybe floor joist on more narrow centers, say 12 inch vs 16.
Have you tackled this issue? What about mass loaded vinyl (MLV); would a layer of heavy vinyl between the OSB floor boards and carpet pad help? Use two layers of OSB flooring and glue them together? Ideas?