...
- sand out an inch or so outwards
- sand in and around hole to give repair something to hold on to
- add tape on one side
- clean with acetone
- apply filler (Bondo Glass)
References
| Reference | URL |
|---|---|
| How To Repair A Rust Out with Bondo® Filler | https://www.youtube.com/watch?v=KWyVvUklGM4&t=97s |
| 3M DIY - FIBREGLASS REPAIR | https://www.youtube.com/watch?v=2HGXnJjSZmA |