As superior performing products, our aerosol formulas contain premium pigments and resins to provide faster coverage, and ultimately, better performance. Over time, and as with any paint, these solids will start to separate from the liquid and the cans need to be shaken to get the mix into a homogenous state again. The longer it sits, the longer it may need to be agitated. Upon shaking the can to get the mixing ball dislodged, we then recommend an additional full minute of shaking to incorporate all of the material. Once mixed and the application has begun, we recommend shaking often during the application. Those solids need to be kept suspended to avoid things like clogging and sputtering.
Many of our aerosol cans now use a spray-anyway valve system, which will allow the can to be sprayed while held in any direction. While this will prevent the ability to invert the can to spray it to "clear the can", this process should not be necessary. After each use, the nozzle itself should be wiped clean to prevent paint from drying around the nozzle opening. This should prevent the tip from clogging prior to the next use. However, should the can become clogged, the tip can be rinsed in mineral spirits or paint thinner to loosen any dried material that may have accumulated there. If cleaning the tip does not alleviate the clog, it may be inside the can, which will not be able to be cleared.