Tommy Mac Discussions › Forums › Fix-it Forum: Home Improvement & Do It Yourself Repair Forum › chimnea repair › Chimnea/Chiminea repair
September 7, 2005 at 1:36 pm #266059
People have used high temp epoxy (such as sold for muffler repair) or high temp silicone RTV (the red stuff).
See this link (towards the bottom of the article):
Refractory mortar is what I use for firebrick, but it won’t be as sticky as the epoxy or RTV.