First time I’m hearing of this

wood and pellet stove installations. These platforms provide a safe and stable base for stoves, which can weigh several hundred pounds. The elevation helps protect the underlying floor from heat damage and makes it easier to clean around the stove.
Platforms for stoves are typically constructed to specific dimensions to accommodate the size and weight of the stove. They may also include additional features, such as heat-resistant materials or integrated storage for firewood or pellets. The design and construction of these platforms are often guided by building codes and safety