I have had success with 3M Body Schutz & the application Gun:
Material;
3M™ Body Schutz Rubberized Coating Black
Part Number 08864, 3M ID 60455047294, UPC 00051135088647
Tooling;
3M™ Body Schutz™ applicator gun, part number 08997 (sold separately)
In my opinion this set up produces a better replication of the factory texture vice the aerosol spray cans.
My Show car is driven in the PNW & gets caught in the rain about twice a year, no sign of deterioration, proper prep & following the mfr. instructions is a must for quality installation and application, It did take some time to practice on a large piece of cardboard to get the texture & application correct before commiting to spraying the car.
JIM