How do I create a complete air barrier using a vapour retarding primer?

Mihai Wilson Published: May 3, 2018, 10:15 p.m.Last updated: Feb. 25, 2019, 9:18 p.m.

After reading about vapour retarding primers on ecohome I am sold on using this technique to air-seal my 50's house after doing renovation work. The missing part is how do I deal with recessed lighting and electrical boxes that penetrate the walls and ceiling. Any tips on this? 

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