Based on my experience, this grey butyl tape is a must-have for any RV owner who loves DIY maintenance. The tape provides an excellent seal that can withstand harsh automotive conditions .It is easy to apply and is strong enough to fix any leaks or gaps on your RV. The tape`s grey color is also a plus, as it blends well with the RV's exterior. However, the tape is quite sticky, and it may leave residue if you remove it. Overall, this is a great product that every RV owner should have in their toSee full review