OSI pro series H2U acrylic urethane sealant
Evergreen says to use a urethane caulk on the roof/sidewall seam. I have found the subject product and contacted Henkel who said it would work for that. before I drive 55 miles x2 tomorrow morning, h...
Forum Discussion
The OSI product has a huge amount of plasticity/ductility compared to the more conventional DAP or Lepage products. The technical data sheet shows an elongation rating of 1100%, that is a large number for any sealant. The PL and DAP urethanes will be much stiffer, almost rigid, as they're used more as an adhesive than a joint sealer.
