Henry 212 All-Purpose Crystal Clear Sealant adheres to a variety of construction materials, including wet and marine surfaces, while providing a clear seal that remains flexible, even in low temperatures. It is a one-part, high-performance, thermoplastic sealant that cures with a tack-free skin within 30 minutes. The temperature range is -20 degrees to 160 degrees Fahrenheit. It does not require primer and is ideal for most common building materials to stop and prevent leaks. It will adhere to properly prepared surfaces of concrete, masonry, steel, aluminum and other nonferrous metals, glass, fiberglass and wood. For more information, visit www.henry.com.