Over the years my experience in sound proofing ceilings has always set then to first of all, apply and an insulation bat material between the joist. That way, it gives a good joist feel not allowing of any of that sound to be transmitted up through.
I am applying now half inch donaconom board,
(Knocking Sound)
Which is a food fiber board, quit often called Tin Test as well. And it is use for many applications for exterior sheeting on a home. In this case I am using for a sound board to help stopping that transmition of sound again upwards.
(Drilling Sound)
Now installing the acoustical channel, now the acoustical channel provides a gap between the dry wall and the donacona. Now this is what it looks like here,
Now as you can see its got a flance that your screws go through and in to the donacona and into the joist. And then the dry wall is screwed to this face here.
Now we will get the channel up and we will be ready for the dry wall.
(Drilling Sound)
Now you will notice here that I am using a self drilling point that screw. That way it will go through the dry wall, into the metal, that way drilling its own pilot hole and on tight to the dry wall face.
(Drilling Sound)
Now there you have it. You can see the lairs. We have donacona, then we have the acoustic channels here. You can see there is a separation between the donacuna and the acoustic channel, and then the dry wall.
Now that way, it will gives a tremendous a sound barrier to the upstairs. That way if you are building a suite or a music room or a recreation room or there will be a hi-fi possibly playing or piano or may be strumming that guitar, well that will be going to stop a lot of noise from going right up stairs.
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