Robert Naini, your Spray Foam Advisor, talks about why we use vapor retarders in the North and not in the South.
By the way, if you have not already done so, subscribe to my blog to keep in touch.
Robert Naini, your Spray Foam Advisor, talks about why we use vapor retarders in the North and not in the South.
By the way, if you have not already done so, subscribe to my blog to keep in touch.