: I'm about to start fiberglassing and was wondering if I need to get a
: respirator. I'm working in a garage so I can open the garage door and set
: up a few fans.
: Thanks

Depends. How's that for a great answer? Everyone's reaction to epoxy is different. Best idea is to never touch uncured epoxy nor breath it's fumes, so an open door and some ventilation would be good. It's not smelly by any stretch, nothing like polyester, so that's not a concern.

Bill H.