Thread: Wet Rear Floor
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Old 10-04-2012, 06:35 AM   #7
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Join Date: Aug 2006
Location: NJ
Posts: 23,226
My Ride: '99 328i 300K miles
If it's the vapor barrier, you should use 3M window weld roll...not the caulk...not silicone or tape.

Jake was talking about the rubber door gasket, not the vapor barrier.

Window weld is the same as is used to seal the VB. If it's torn, tape it up (gorilla tape is good). If it's unsealed around its perimeter, then use window weld. (Available at an auto body supply up local auto body shop and ask where they get their supplies).
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