On Sep 18, 3:19*pm, Dave wrote:
I have an older fiberglass pool filter where the outer layer of the
resin has worn away over time and now the fibers are exposed. *I want to
put some sort of thick coating or paint (epoxy?) on it to cover up the
fibers.

Does anyone know of something I could use on this that I can apply with
a paint roller and pick up at a Home Depot?

I suggest you get some epoxy or polyester resin. The epoxy is abit
more forgiving. Once polyester resin "fires" that's it, you're done.
Use a disposable roller.