Simple duct tape will do the job (me)
The first of our equipment. Newly purchased used g5 dual core 2.0ghz + 3gb ram + leopard + PT8 LE. Presonus digimax d8, M-Audio Tampa, and my friend's lunchbox + great river.
Covering the insulation with charcoal felt.
Beginning the acoustic panels. First cut of wood, 2"x1".
First frame.
Me sawing.
Sets of wood for panels.
Frames for panels and bass traps.
Covering extra ceiling tiles with black cotton fabric.
Finished wood frames + covered ceiling tiles