Author Archives: Edward Jose

There have been several occasions on various projects where the topic of vapor barriers and vapor permeable air barriers has come up. The attached articles are good primers on the subject and should be read. The design concepts explained in the articles will assist us in determining where and when to apply vapor barriers and air barriers, and how they relate to the rest of the wall, roof and sub-grade assembly materials, as well as the various intersection components like flashing and sealants. Also related to this topic is the term ‘waterproofing’. More to come on the difference between waterproofing, … Continue reading →