The Fortiflash Butyl is a reliable and durable solution for all your window and door sealing needs. Crafted with high-quality aluminum bound material, this 4-inch by 75-foot product from Henry's FortiFlash Series ensures long-lasting protection against moisture and air infiltration. Its white color seamlessly blends with any surface, providing a clean and professional finish. With a weight of 3.75 lbs., this butyl tape is lightweight and easy to handle, making installation a breeze. Whether you're a professional contractor or a DIY enthusiast, the Fortiflash Butyl is the ideal choice for ensuring a tight seal and preventing costly water damage.