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
Silicone is just base material, when caulks have advanced formulas and silicone roof coating makes the best material it is.
I tried all kind of caulks on my RV and marine caulks would turn yellowish within couple of seasons, not mentioning their adhesion to rubber roof was poor.
Their internal strength played no role.
The best caulk I experienced is the pictured below. It will stay flexible, is paintable and relatively easy to apply. Then what really made my rubber roof leak-proof was mentioned Henry's silicone roof coating, who will stick and feel gaps around all caulking.
I tried all kind of caulks on my RV and marine caulks would turn yellowish within couple of seasons, not mentioning their adhesion to rubber roof was poor.
Their internal strength played no role.
The best caulk I experienced is the pictured below. It will stay flexible, is paintable and relatively easy to apply. Then what really made my rubber roof leak-proof was mentioned Henry's silicone roof coating, who will stick and feel gaps around all caulking.
