Butyl and bitumen flashing tapes are common choices, but their performance varies greatly. Butyl tape stands out with its superior adhesion, flexibility in extreme conditions, resistance to cracking, and UV protection—making it a durable, long-term solution. It’s perfect for sealing corner joints, ledges, concrete canopies, and gaps between I-beams and CHB walls. Check out this brief comparison video to learn why butyl flashing tape is the preferred option for these critical applications. Watch