I am in the process of replacing a roof vent that was very well installed, just broken...
It looks to have been installed using the process shown in this post by Per
Any idea how to remove the hardened FlexiSeal material that is left now? I would like to have it all off to get as good of a seal as possible on the replacement. I have been scraping it down with a razor scraper, but it is taking forever. It is hardened on and not budging.
Any chemical or other remover that would work? I tried a bit of acetone, but I didn't know if it would eat the gelcoat so didn't try very long with it. Ideas?