3M 5200 Marine Sealant et al
I currently go over my camper religiously looking for chances of leakage at least every six months. Seams on the roof, windows, etc. are checked for any signs of cracked sealant or separation. I treat...
Forum Discussion
Most of the recomended caulks are polyurethane basied, they dont get real hard like silicone and other caulks. This allows them to stay flexable. Silicon, is what they said above, not a great idea. You like the 3m , use it , its poly baised. I dont k ow what the quad is, but its miniral spiret clean up so probably the same. Polyurethane caulks you can clean up with miniral spirats and it becomes tacky again, so you can go over existing caulk if its adhered well. The others you cant. And always try to use the same stuff. Some may not play well with others.
