A 2ft by 4ft panel should be placed so that it is 4ft high.
Diy home theater wall panels.
In fact most of the diy home theater rooms are built on this concept.
However if your home theater is in the living room or bedroom covering the entire wall with insulation and cotton polyester batts is not always practical.
If using 2 x4 8 ft panels you ll need 4 8 or 14 panels respectively.
Mass loaded vinyl is one of the most popular soundproofing materials and will be a good choice in your home theater.
Other options include acoustic wall panels designed specifically for home theaters.
Having determined the surface area to cover decide on the dimensions and number of panels you need.
That is to say.
For control of speakers you ll likely want to put panels centered on the wall but if they re rectangular they should be mounted vertically.
Make some diy custom acoustic panels for your theater room.
It s basically a roll of vinyl that contains metal particles and its sole job is to add mass to your walls.
Panels come as 1 x 1 or 2 x 2 squares costing 4 to 20 per square foot.
It s quite an interesting material because it has both elastic and viscous qualities.
So the acoustic panel route is the only way to go.
This is the process i used to create some awesome looking and functional acoustic panels with mov.