Poly vapour barrier on first floor ceiling or seal the rim board?

I’m installing or polyethylene air barrier on the inside of our walls. Marine 4 zone.I had thought most people would install the poly on the ceiling of the first floor… I’m installing or polyethylene air barrier on the inside of our walls. Marine 4 zone.I had thought most people would install the poly on the ceiling of the first floor…Read MoreGreenBuildingAdvisor