Forum Discussion
mrekim
Apr 28, 2015Explorer
westend wrote:Maybe there's a better sealant that will bond to old versions of itself so it's easier to maintain?
There is- Dicor, Proflex RV, Sikaflex 3M Marine sealants. Basically, any polymer or urethane sealant can be sealed onto the same material.
Silicone is the worst since it degrades quickly from UV and nothing sticks to it, not even new silicone.
Dicor(Lap Sealant) seems to be for the roof. These other sealants seem interesting. Is there some foolproof way to determine if an existing sealant is silicon or one of these polymer/urethane types?
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