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Old 09-18-2012, 04:25 AM
denman denman is offline
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The fiberglass is more for sound deadening than anything else.
So you could just remove it.
Foam should work but will not do as good a job also may melt if the unit runs hot.
You could just get some fiberglass with the foil backing (used to insulate pipes) and glue it to the cover.
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