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scrubs · 4th April 2007

The differences in absorption coefficients of mineral wool vs. rigid fiberglass at similar thicknesses & densities are negligible, so get the on that is cheaper in your area.

4th April 2007	#2
scrubs Gear addict Joined: Feb 2005 Location: NC Posts: 414	The differences in absorption coefficients of mineral wool vs. rigid fiberglass at similar thicknesses & densities are negligible, so get the on that is cheaper in your area.