BEC Detail Forum 1: Sealed Crawl Space

Below is a detail taken from a website that I found by searching "crawl space best practice". It is an excerpt from a two page flyer that has lots of explanatory information including the need to condition the crawl space once the foundation has been sealed.

Here's a chance to air out some opinions! What do you think about this detail? Is there anything wrong with it? You don't need to register to post a comment - choose other or anonymous for your screen name instead.