the 3M stuff is good, and there's a variety of similar coatings available at most FLAPS in 'rattle cans', but what I use is brushable roof seam sealer, which comes 'rubberized' and in fibered grades
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
