Sealant Tape B1+ 4 inch x 50 feet

Seal leaks permanently with this high-performance self-adhesive butyl tape featuring a durable aluminum top layer. Designed for roofing, flashing, gutters, RVs, and outdoor repairs, it provides instant waterproofing and long-term protection against UV rays, rain, snow, and extreme temperatures. The flexible butyl rubber core ensures strong adhesion to metal, wood, concrete, plastic, and more—without the need for primer or tools. Easy to apply, tear-resistant, and built to last, this tape is trusted by professionals and DIYers for reliable sealing in residential and commercial projects.