Is it safe to use cinder blocks or red bricks in stoves and ovens?
Source: Capturing Heat. As how-to book and blog authors we face many questions that begin, “Is it safe to . . . ?” And, for some reason, any post of ours involving rocket stoves sets off a firestorm of incoming Google hits. An old blog post on a “Redneck Rocket Stove” made out of cinder blocks prompted many to suggest that the cinder blocks would explode due to heat. Leon, of the blog Survival Common Sense, does a good job of refuting this notion...
