The proper use of primer is the key to producing the best possible vinyl wrapped profile. Photo: TAKA Adhesive Products (WPR/ Taka srl) Primer is used to lower the surface tension of the PVC profile. Without it, your adhesive won’t stick the vinyl to the substrate for very long, if at all. Photo: PVC Profiles (WPR/ Taka srl) There are three kinds of primer used in profile wrapping. Photo: TAKA Adhesive Products (WPR/ Taka srl) Each kind of primer has its own set of advantages