R50 insulation / Discussions

...R50 of cellulose fibre blown in when built. The moisture barrier is properly installed and not modified. I got a bit of leakage in the spring through my master bathroom ceiling.  I have a 6/12 pitch roof with gables at front and back. The buiding code where I live was changed a few years back and does not allow vented ...

...insulation, laying down a polyethylene vapour barrier over the whole surface (it can go up and down over joists) then reinstalling the insulation.". But in this article (https://www.ecohome.net/guides/2299/painting-on-your-vapour-barrier/), specifically in the comments section, ecoHome suggests that a vapour barrier is...