Can you use a vapour retarder paint on the ceiling instead of using a poly vapour barrier?
...vapour barrier joins in with your walls? Vapour barrier paint (or Vapor barrier paint in the U.S. ) is more of a solution for walls rather than ceilings to prevent the indoor vapour drive during hot humid weather. The reason as you may have read, is that when there is a vapour barrier in homes in hot humid climates tha...