Dave H M wrote:
I think any caulk would be a stick mess if you mess with it when applying.
I have never used anything but dicor and the non self leveling stuff is what goes on the surfaces that you do not want it to self level on.
This just happens to be a geocel board.
True dat! Some people end up looking like a 5 year old finger painting by the time they get thru half a tube......
Above reccomendations are all the commonly used urethanes.
Sonneborn and sika are also good brands.
Aside from OSI you're not likely to find the right stuff at your corner Homie Deport. Go to a RV dealer or online.
No silicone.