N231SM Posted March 7, 2018 Report Share Posted March 7, 2018 Sorry for double post on placards. Insulation have to be fire tested? She has combo of glass and newer foil. Best source? tks Tks Quote Link to comment Share on other sites More sharing options...
CaptRJM Posted March 9, 2018 Report Share Posted March 9, 2018 Best to get all the old fiberglass stuff out of there. It will retain moisture. If it gets damp it will accelerate corrosion. Easiest thing to do is buy Soundex Insulation. It is lighter than the fiberglass, will not retain moisture and also absorbs vibrations. They sell it in a kit for all models. It’s not cheap but, comes with all the proper approvals. I have no interest in the company. Just a PP providing info from personal experience. Quote Link to comment Share on other sites More sharing options...
jetdriven Posted March 9, 2018 Report Share Posted March 9, 2018 (edited) I bought some 3/4” x 36” x 48”. soundex and it was very heavy. 3lbs. I sent it back. Defiantly far heavier than the fiberglass or the factory applied Mylar faced insulation. I wish I could find some of that. Edited March 9, 2018 by jetdriven Quote Link to comment Share on other sites More sharing options...
Mooney in Oz Posted March 12, 2018 Report Share Posted March 12, 2018 I had Soundex fitted upon the advice of a mate, but without headsets I can't really tell if it is an improvement in sound reduction. Probably a moot point as I'm always wearing noise cancelling headsets anyway. Here is a link to Aircraft Spruce that displays a number of insulation products, including Soundex: http://www.aircraftspruce.com/menus/cs/sound.html Quote Link to comment Share on other sites More sharing options...
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