Weldbond is more than just a great glue, it-s a universal adhesive that works fast. It will bond everything to anything Weldbond can virtually weld together cement, concrete, bricks, plaster, metal, glass, wood tiles, building panels, and much more. Weldbond is also a powerful universal primer for porous surfaces. It-s a weatherproofer, dustproofer, hardener, and bonding agent. Just mix Weldbond with sawdust, grout, cement, or plaster and be amazed at the tremendous strength this product offers your repair work. Non-flammable and non-toxic, Weldbond dries clear. It-s highly water resistant and impervious to petroleum, oil, grease, salt, molds, fungi, alkalis, and weak acids. It will withstand all climactic conditions after curing, is non-staining, and will not brittle with age. Highly concentrated, Weldbond can be mixed with water and used as a sealer for many surfaces. Available in traditional bottles 4 oz. , 8 oz. , and 14. 2 oz. or in an easy squeeze tube with a tim saving, clog-free cap 5 oz. -- glue never dries out when the tube cap is on, so it's always ready to use.