Please note that we recommend using tesa® Adhesion Promoter as a surface pre-treatment. It leads to a significant improvement in adhesion levels, avoids moisture infiltration, and promotes long-term resistance against harsh environmental factors. Which tesa® Adhesion Promoter should be used depends on the substrates and the application. We will be glad to advise you in order to find the right solution. Liner versions: PV22: White paper liner - branded, PV24: Blue film liner - unbranded, Further liner versions might be available upon request. Certificates: tesa® ACXplus 7074 is recognized according to UL Standard 746C. UL File QOQW2.E309290 tesa® ACXplus 7074 is recognized according to UL Standard 879. UL File UYMR2.E479260 Rosenheim: Certified in accordance with EN 1435-1:2006+A1:2010 - Air permeability, water tightness, Resistance to wind MPA Stuttgart: Dynamic tensile measurement according to ETAG002 following EN 28339 ATI: ASTM E 283-04, 330-02, 331-00 wind load and water penetration test Qualified for credit according to LEED