Collier & Miller Griffith stocks a range of flange sealants, gasket sealants and RTV silicone products from trusted brands including JB Weld, Loctite and Permatex. Our selection includes black, blue, copper, grey and red RTV silicones, along with flange sealing compounds and gasket makers for automotive, agricultural machinery, engineering and industrial applications. Designed to help prevent leaks and create reliable seals between mating surfaces, these products provide practical solutions for engine repairs, equipment servicing and general machinery maintenance.