Amazon.com: Second Skin Butyl Sealant Tape – Butyl Rubber Sealant, Multi-Purpose Butyl Rope, and Putty Tape for Automotive (Car, RV, Marine) – 1/4” x 1/2" x 20' – Made in The USA :
3M Scotch 2212 Butyl Mastic Tape: 2-1/2 in x 24 in. (Black) : Amazon.de: DIY & Tools