A new illustration of a crawlspace vapor barrier has been added to the InterNACHI Gallery for members to use in their inspection reports.
InterNACHI’s free, online How to Inspect for Moisture Intrusion Course has been updated with the illustration in Part 2.4 of the course.
For more information about vapor barriers (or vapor diffusion retarders), read our free, online inspection article Vapor Diffusion Retarder Inspection.
