Author Topic: Mat & Panel STC Ratings  (Read 3130 times)

Aaron Fischer

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Mat & Panel STC Ratings
« on: September 24, 2001, 06:05:16 AM »
What are the 1", 2" mat and 2'x4'(3" or 4") STC ratings?  I want to try these before curtaining or replacing two windows.  Excessive traffic noise is passing through the aluminum frame windows.  ALF