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 :
High Quality Butyl Tape for Sealing Applications - Cheap, 4p / Mtr
Alenor Butyl Rubber Aluminum Tape 2 inch x 16 Ft New Zealand | Ubuy
White Cap Butyl Tape 2"x90' | Nash Distribution | Crawlspace Accessories