I use foam rollers with 2 part primer and top coat. I use the regular 4" foam rollers from the hardware
store. They are delicate and probably not meant for the solvents in 2 part LPU paints, but if there is no friction in the roller, I can make one last the whole pot. They are great for squeezing into corners and getting a finish comparable to tipping without the fuss. Just make sure you lightly back roll after unloading to smooth and blend the coating.
That said, West Systems sells a solvent resistant foam roller. It is yellow and expensive. Cheaper brands can be found at commercial marine
stores. The problem is the don't squish so you have to cut in the corners with a brush or a regular foam roller.