How to select the drainable WRB with the right amount of vapor transfer?

In another thread of mine, Ben Obdyke’s Hydrogap and Tyvek Commerical Wrap D have been mentioned.  I had originally focused on using Hydrogap as my WRB and drainage enhancer but… In another thread of mine, Ben Obdyke’s Hydrogap and Tyvek Commerical Wrap D have been mentioned.  I had originally focused on using Hydrogap as my WRB and drainage enhancer but…Read MoreGreenBuildingAdvisor