Posted by Dave on July 11, 2001 at 05:18:50:
In Reply to: Caulking compounds for furnaces posted by Leonard on July 11, 2001 at 05:18:07:
I think what you are looking for is called: refractory mortar, furnace cement or furnace mortar.
http://www.homedepot.com/prel80/HDUS/EN_US/diy_main/pg_diy.jsp
http://www.herchem.com/msds/detail.CFM?msds__MSDS=105
http://www.unifrax.com/MSDSAPPR.nsf/byMSDS/M0054
Good Luck!