Spring-Loaded Screw Turns Drywall Into Sound-Absorbing Panels

I saw this press release and was thinking of posting it here.   Philip I'm looking at Quietrock and similar alternatives for a room I mix music and play Vdrums in to stop complaints from neighbors.   When I was redoing a kitchen I had the contractor use double walls and green glue in between but I doubt it was installed correctly.  The quiet rock is a much better alternative since it isn't as much installation dependent. 

I saw this many, many years ago and it looks inexpensive (comparatively) and not too difficult to put up.
http://www.mother-of-tone.com/acoustic_panel.htm
There's no need to order it from Germany as you can get spruce wood panels just about anywhere.

All the best,
Nonoise

I had the fortune or misfortune of rebuilding my house over the last five years. I went through great lengths for acoustics! I have six inches of closed cell foam in the floors. Floors are cork. Closed cell insulation in all exterior walls. Open cell in the attic! Then rolled acoustic fiberglass in all the trusses from one end to the other. Insulated all interior walls with acoustic grade fiberglass! Solid core interior doors. All double pain low e glass. All equaled an extremely quiet house with excellent bass control. A bit extreme, but while I was at it, I figured that it was the time!😎

Looking at the web site that is in the op post.

The screw start absorb at 250 Hz to 4000 Hz  according to their measurements that they show from a specific part of a chart (what happens below 250 Hz?!).

Anyway what we know is that those rather high frequency is what are the easiest ones to treat. So some of the benefit is that we do not need that much high frequency treatment that physical is rather thin in comparison to what we need to use below 250 Hz..

The real benefits for us audiophiles is that those screws dampening BELLOW 250 Hz. That is those vibrations that go to the structure/studs underneath the dry wall and to other rooms/neighbors.

And below 250 Hz is where the bass traps need to be intrusive thick in our homes there where the real benefits would be nice to see.

For audiophiles i believe it is of a limited when/if ordernary 2"-4" panels can be used.
With those ordernary panels you can adjust the placement and the amount of panels to get the level or reverberation that you like.

You do not want to overasorb and get a dead sounding room. That may be a risk that we end up with with those screws-springs. 
IF that happens what should you do then.. put up some panels that are hard as floor tiles so you get some reflections back into your listening space.. 🤔

But for comersial spaces they have a great advantage for spech and all the nasty sounds.

View link in new window while you read
1:The screw thread goes into the wood.
2:The bottom cup also countersinks itself into the surface of the wood
3:The spring section is within the drywall chalk section
4:And the last slightly wider head is suppose to hang on to the whole sheet weight?????? (to me, not for long it wont unless maybe there’s one at max every 2ft) and those things don’t look cheap.
https://ibb.co/s2498dg

Cheers George