Incredibly strong formula expands 3-4x so a little glue goes a long way. 100% waterproof so it won't break down when exposed to moisture. Temperature resistant so glue is unaffected by extreme heat or cold. Versatile for most household fixes and building repairs; indoors or outdoors. Bonds wood strong metal ceramic foam glass concrete and more and is also paintable stainable and sandable for easy finishing! Dries light tan. 4oz.