Moisture-curing polyurethane adhesive capable of bonding materials such as: wood + wood, wood + insulating materials, etc. Specifically recommended for bonding resinous wood parts (fir, pine, etc.) subject to high humidity or intended for outdoor use. In any case, at least one of the parts to be bonded must contribute water to the adhesive line. Certificates of compliance with EN 204 D4 standards available on request.