| Re: Room treatment materials in Aus??
There were 2 densities available and two thicknesses 25mm and 50mm. I went for the high density 25mm. One side has a peforated foil covering, the other side is bare. The salesman said the perforated side is the sound absorbing side. I hope the foil doesn't reflect light back through the material.
I have a pic on my phone but for some reason I can't email it to my PC. I will attach the pic tomorrow.
While we were there he had a metal duct, approx 1.5m long, with a 25cm square opening at each end. The duct was lined on all sides with the high density 50mm duct board. He put his head in one end and I put mine in the other, when he spoke I could barely hear him, it was like the volume had been turned way down. I was very suprised at how effective this stuff is at absorbing sound.
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