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Old 10th December 2010
Gear Guru

If I had to guess, I'd say it's because the membrane wasn't properly adhered to the absorbent material underneath.
That seems very likely. People are unwilling to spray glue a membrane on well due to the mess taking it back off if it doesn't work out.
There are uncertainties regarding material, thickness, etc.
It seems funny that in a membrane/panel trap, the sheet is spaced away from the absorbent in order to vibrate sort of freely but damped by the proximity of the absorbent. In the other case a thin light sheet needs to be fully bonded to the absorbent. We know this works with panels of 705 etc. but I have seen nothing to show it working on SuperChunks yet.