Whether you are installing trailer graphics or doing a full wrap of a car or van, surface preparation involves a three-step process of detergent washing, solvent cleaning and a final wipe down with IPA. Step 1. Vehicles should be washed the day before vinyl application with detergent and water. This should remove much of the...
http://supply55.com/blog/2014/03/3-step-prep-for-vehicle-graphics/
