Product Description The strength and versatility you have come to expect from Gorilla Glue is now available in an easy to use, crystal clear, non-foaming formula. Gorilla Glue Clear is incredibly strong and is ideal for indoor and outdoor applications and bonds virtually everything. Crystal Clear - so clear it’s virtually invisible. Non expanding foam free formula that doesn't increase in size. Seamless glue lines for a highly professional finish. High Versatile. Easily bonds wood, stone, metal, ceramic, foam, glass, concrete and much more! Gorilla Glue Clear can be painted with oil-based.