Make a watertight seal For electrical, plumbing and general prep applications with Duck Brand Wrap-Fix Tape. This self-fusing silicone repair tape bonds to itself for a soft form fit and is ideal for plumbing, auto, marine and much more! It is UV, chemical and weather-resistant for use from 65 to 500 degrees Fahrenheit. Duck Wrap-Fix Tape comes in a 1-inch by 10 foot roll. If you’re tackling a DIY project at home, Duck Brand has many useful DIY products that will help you get the job done.