Some dude on Youtube had an issue using Proclassic with bubbling and fish eye. Personally since about 2016 I've had mediocre luck using Proclassic. It's just been very inconsistent in how it applied and at first I blamed humidity or the room being too hot, but after getting burnt too many times I swore off it.
This is the Youtube video in question.
This could possibly be an issue with the rheology modifier in the paint. This effects the elasticity in water based paints. This has been an issue a few times at the Sherwin plant I work at. Usually it is caught by our QC dept. and corrected before filled. Sorry had this issue.
Comment from an anonymous factory worker in the video. I've heard more anonymous SW factory workers speak up about mistakes or problems too, but not specifically with Proclassic.
I'm probably one of the most Sherwin supporting people on this board, but they do have QC issues, that seem to come up more often on trim/become more apparent on trim. BM isn't perfect but imo is usually more consistent batch to batch, which is really important on trim as trim takes the most time to do right compared to everything else on a paint job, and it's the part touched the most/etc. Unfortunately where I am now there's a monopoly on BM and the pricing is out of this world impractical but Advance will do you a lot better than Proclassic latex and still be pretty near in price.
