must be protected by an adequate surface coating. Moisture-resistant bonds require special reactive one- and two-component D4 dispersions. That latest generation [...] polymer isocyanate) adhesives have been tried and tested in applications that require durability class D4, in particular joints that are exposed to direct weathering
https://www.jowat.com/pl-PL/szczegoly-newsroomu/dispersions-at-work-versatile-and-trusted-wood-adhesives/