The roof supports to roof skin gap , can be fixed with spray foam .
Look at the bottom of the supports, and you will usually find several holes ..
I used those holes to spray the foam into the void .
I cut the excess from the area the next day for a clean job.
I then used Styrofoam sheets in the b pillars , and the foil backed Styrofoam for the roof , to insulate and cut sound .
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