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vapor-open WRB

richardcarter | Posted in General Discussion on

In issue 325 August-September
The article on continuous exterior insulation mentions vapor-open WRB which is self-adhered.  I would like to know what products fit this use in the article.
Richard Lee

Replies

  1. bpontolilo | | #1

    I believe that the Henry Blueskin SA WRB is 33 perms, which is very vapor open. It should be easy to find the perm ratings of the products on the companies' websites. Anything above 10 perms will not slow vapor passage significantly.

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