Stop leaks quickly with the Duck Brand Waterproofing Tape. This tape features a butyl adhesive that provides an instant water and air tight seal. It builds an instant bond, can be used on wet surfaces and conforms to uneven surfaces. Silver. 1.88 inches x 10.9 yards. The Duck Brand has been delighting consumers with quality products for over 20 years and continues to innovate and offer solutions for the household.