Quote:
Originally Posted by mikethebike  In the UK we have stuff called Rockwool which is made from "volcanic ash" - .i.e. it is neither fibreglass or mineral wool (or is it?). It comes in 60/80 and 100 Kg/m3 densities. Which would be the most appropriate to use for these absorbers? |
In this thread alone there are 79 references to rockwool. A search of the
forum turned up 500 hits.
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Paul P