Chimnea/Chiminea repair

[LazySOB]

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):
http://www.naturalhandyman.com/iip/infxtra/infchiminea.shtm

Refractory mortar is what I use for firebrick, but it won’t be as sticky as the epoxy or RTV.