Duck Brand Waterproofing Tape [Butyl Adhesive/Foil Backing]: 1.88 in. x 10-9/10 yds. (Silver) : Amazon.co.uk: DIY & Tools
Q1 Waterproof Duct Tape
A high strength, water resistant, easy tear all purpose, heavy duty tape with high tack for binding, fixing, sealing, repairing, joining, protecting, marking and much more. Backing – PE laminated synthetic cloth
Silver Duct Gaffer Cloth Tape Multi-Purpose Adhesive Water Resistant 48mm x 50M | eBay