Is it safe to use cinder blocks or red bricks in stoves and ovens?
...val Common Sense, does a good job of refuting this notion in a blog post, “Build a brick rocket stove: Is it safe to use concrete blocks?” The short answer is that those concrete blocks are not going to explode. But if you want something permanent you should use fire bricks and fire clay as mortar so it won’t crack. Related to this issue is our use of regular bricks in the hearth of our adobe oven. Most sources suggest using fire bricks or kiln br...
