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Mineral wool:An inorganic fibrous substance that is produced by steam blasting and cooling molten glass or a similar substance and is used as an insulator and a filtering material. Also called rock wool.
The Definition of Fiberglass Fiberglass: Glass formed into thin threads.
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Registered: 06/12/00
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Rod,
> No it is not the same <
Wise guy.
Rod is right, of course, and I should have been clearer. Rock wool is not made of the same material as fiberglass, though it serves the same purpose and behaves similarly. As Rod said, the best/only way to know is to compare absorption specs.
--Ethan
_________________________ www.realtraps.com The acoustic treatment experts
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Registered: 03/13/01
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Loc: Riverdale, UT
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Thanks for the help Ethan, I appreciate.
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No matter how good something is, there will always be someone blasting away on a forum somewhere about how much they hate it.