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All the suppliers I've spoken to so far are having a price increase on 1st Feb so thought I'd post that here

I'm actually looking to build this month. Would you say the Uthermo 3 (40kg/m3 I think from another thread) is roughly like for like to OC 703?

Still keen for any feedback from those who've made absorption panels. Also, in terms of sound isolation, I've been reading about resilient channels or green glue to de-couple the drywall. I can only find these as imports which are expensive and long delivery times. Anyone found something like this?

It's really helpful to have it - when I get current prices I'll write them up in this thread. I'm setting up a music studio in 1 or 2 rooms. So early reflections, flutter echo, reverb & might use moveable panels to act as a gobo or portable vocal booth. Both rooms are small - ~ 3mx4m. Monitors...

I'm looking for the best bang for buck in setting up acoustic treatment for a charity project. From previous threads and other users, the main options seem to be uthermo, energylite or insulboard. Densities are ~ 40,60,80 & 100 kg/m3. This spreadsheet (thanks to @Abu)...

A better test would be the sine wave at different frequencies test (shown at 15:50 in this video: http://realtraps.com/video_demo.htm) - they showed their room to have a massive dip at 75 Hz which they were able to push up by 15dB.

I need a bunch of these for a studio I'm setting up in Manenberg, CT for a project to record local talent that I'm running next year. Will probably make them myself, but I might be interested in buying if I get busy, you've done them really nicely. Need to get hold of the budget first anyway...