Quote:
Originally Posted by Bmw22555
When I removed I found the 1/8 inch thick silver foil type covering.
Is this the insulation, Seem pretty chincy on our
2017 Montana 3740FK
What is this stuff and should there have been more insulation or should I add???
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That is radiant barrier that is supposed to stop/reflect radiant heat. Not insulation in the common sense. Radiant barrier should be on the outside of any insulation, to reflect radiant heat. Insulation like foam or bat insulation is for ambient heat. Air gap is key to stop heat/colt transfer which is why foam and bat insulation has so much air trapped in it, why the thicker it is the more it stops heat/cold transfer. Hope that helps.