The reason this is becoming an issue for me is that it is running into the fuselage along the fuel tank. I dont want to have the fuse get soaked and weaken.
I always seal the timber, firewall back to the rear of the the fuel tank area and seal where the fuel lines come out of the firewall. A lot of ARF's are not sealed at all, some only do the fire wall. I was tought to seal every thing when starting out in the early 70's with control line.
Cheers