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Isopropyl Alcohol (final prep)
Isopropyl Alcohol (final prep)
After I clean, I finish with 90% isopropyl alcohol because I want that surface ready for new sealant—no cleaner film left behind. This is my final prep step before applying anything adhesive. It’s a simple, affordable step that can make a big difference in how well sealant bonds.
Pros
- +Great final prep to remove residue before sealing
- +Evaporates quickly
- +Easy and affordable surface prep step
Cons
- -You still have to do the scraping and cleaning first—this isn’t a shortcut
- -Can dry your hands/skin, so gloves help
Curated by
Deb's RV Services