This butyl seal tape features a reflective foil surface that helps reduce heat accumulation. The tape is ideally used for sealing and patching cracks, leaks, and joints. It is made of synthetic rubber. FITT’s butyl tape is applicable surfaces with various materials, such as concrete, roof, tiles, canvas, fiberglass, and more. Plus, this tape is highly durable, resistant to harsh weather conditions, paintable, and environmentally friendly.