Masonry oven India, tandoors are traditional clay ovens, although these days modern electrically fired tandoors are available. The open-topped tandoor is a transitional design between the earth oven and the Roman-plan masonry oven. In the precolumbian Americas, similar ovens were often made of clay or adobe and are now referred to by the Spanish term "horno" (meaning "oven"). Horns are also traditional in the American Southwest. The traditional direct-fired masonry design is often called a "Roman" or "black" oven and dates in Western culture to at least the Roman Republic. It is known as a black oven because the fire generates soot
Masonry oven hot. While you can’t wrap a ton of oven brick in a vacuum bottle, you can slow heat loss by raising it up off (or out of) the damp ground. Traditional Canadian clay ovens were even built on wood frames, which is possible when the masonry is thick enough to prevent the wood from getting too hot (over-firing can be dangerous). Other insulative plinth material might include lightweight stone like tufa or pumice. In the 1980s, Alan Scott, called by some the grandfather of modern wood-fired ovens, popularized a practice of building ovens on a lightweight slab of concrete made