Quickly flash tricky areas without piecing tape segments together. ZIP System™ stretch tape easily stretches to fit sills, curves and corners with a single piece. Made of a high-performance composite acrylic, ZIP System stretch tape conforms to challenging applications and locks out moisture even over mismatched surfaces. The perfect compliment to ZIP System® sheathing panels for a continuous weather barrier to keep water out. And ZIP System stretch tape can be pulled up and reapplied for hassle-free installation, providing a tight seal in no time.