what should I use to seal a leak in my RV holding tank?
- Move onLv 710 years agoFavorite Answer
Do you live in a trailer park - duct tape.
- 10 years ago
You can use silicone if it's a small leak or if its bigger you can use epoxy with another piece of plastic and bond it over the leak some rv places even sell a kit to fix it. You can also go to some rv places or a body shop and have them weld the tank for you.Source(s): auto body tech and shop owner
- Pete MLv 710 years ago
Best to contact the manufacturer and find out the type of plastic is used in the tank construction.
When you know the type of plastic then you can find a suitable (compatible) sealant to use.
Otherwise, you can try different sealants until you find one that works, or have the tank plastic welded.