The Bigfoot Barrier Ice & Water Shield is a high-performance roofing underlayment designed to provide superior protection against ice dams and water infiltration. Measuring 3 feet in width and extending to a length of 65 feet, this product offers extensive coverage for roofing projects. Its durable, self-adhesive material adheres securely to the roof deck, creating a watertight barrier that prevents water penetration in vulnerable areas, such as valleys, eaves, and protrusions. The robust construction of the Bigfoot Barrier ensures long-lasting performance, even in harsh weather conditions. This ice and water shield is an essential component for safeguarding roofs and structures against the damaging effects of moisture, contributing to the longevity and integrity of your roofing system.