Water in the driver/passenger floor board

Last night I left the 65 cuda in the rain and this morning I checked for water. I had a standing puddle on the passenger side and a small wet spot on the drivers side. I think on the passenger side it is coming from the Antenna which I recently changed. Is there a rubber gasket for the Antenna where it enters the car? On the drivers side I have no idea. I reached under the dash and all is dry. I can see it seems to follow to the door but I have the vapor barriers in place and the seem to be working mostly. A few drips in the rear seat area where the vapor barrier does not barrier lol. I plan on coming back with a little more and tape it to the outside on the existing barrier.