Old Time Stove Sealant. Home Page › Forums › Old Time Stove Sealant. This topic has 0 replies, 1 voice, and was last updated 1 year, 9 months ago by David Bruso. Viewing 1 post (of 1 total) Author Posts August 18, 2021 at 7:51 am #42461 David BrusoParticipant I have disassembled my ca. 1880 cast iron parlor stove. It looks like casting sand was used to seal the gaps where the pieces fit together. Was that done? Thanks. Dave Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In