If I am building a rmh with a ceramic wool insulated 8" core, what temperatures should I expect? I can get 2300 to 2600 rated brick and beyond from a local provider. I would rather use the 2300 because it is cheaper. Just wondering if anyone has had any problems due to brick failure.
Matt, I was wondering the same thing since I like to build stuff that will both last and provide as maintenance free service as possible. Planning on building an 8" RMH this Fall myself. Anyway, I found the post by Erica Wisner in Allen Lumley's "Fake Fire Brick" thread to be very informative, to say the least: