Originally Posted by swvalcon
The first thing I check if my gun starts to do that is to check the air vent on top of the cup lid. Second is the gun tip to see that its not plugged.Just sand the car down and paint or reseal frist if you want.
This might sound stupid , but did you strain the paint before pouring into gun? Also are you sure its a 1:1 mix Ive used a few different Epoxies and always noticed they are a 2:1 ratio.