Steam Radiator Repair Home › Forums › Public Forums › General Plumbing › Steam Radiator Repair This topic has 1 reply, 2 voices, and was last updated 22 years, 7 months ago by SylvanLMP. Viewing 1 reply thread Author Posts 6 Oct 2001 at 5:06 pm #275311 MasterPlumbersKeymaster Anyone out there know who might repair steam radiator leaks in the North East? I have a radiator which is in otherwise excellent condition. I am in Central New Jersey. Thanks. 6 Oct 2001 at 7:30 pm #291671 SylvanLMPParticipant There is a filler that is called Black and White and used with a torch DO IT OUT SIDE if possible This is a high consentration of in a sulfur bar used for filling in cracks in Cast Iron and steel and bronze. Fantastic stuff BUT have a fire extinguisher available while working with it. It is found in the better welding supply houses. SylvanLMP Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In